diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index a3ef332a..d82c86d6 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -30,7 +30,13 @@
       "Bash(cd:*)",
       "Bash(curl:*)",
       "Bash(git revert:*)",
-      "Bash(del \"c:\\Users\\dong\\Desktop\\rwadurian\\backend\\services\\identity-service\\src\\infrastructure\\persistence\\entities\\user-device.entity.ts\")"
+      "Bash(del \"c:\\Users\\dong\\Desktop\\rwadurian\\backend\\services\\identity-service\\src\\infrastructure\\persistence\\entities\\user-device.entity.ts\")",
+      "Bash(cmd /c \"cd /d c:\\Users\\dong\\Desktop\\rwadurian\\backend\\services\\identity-service && npm run build\")",
+      "Bash(cmd /c \"cd /d c:\\Users\\dong\\Desktop\\rwadurian\\backend\\services\\identity-service && npx nest build\")",
+      "Bash(cmd /c \"cd /d c:\\Users\\dong\\Desktop\\rwadurian && git add -A && git status\")",
+      "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" status)",
+      "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" add -A)",
+      "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" commit -m \"$(cat <<''EOF''\nrefactor(identity): remove province/city/address fields\n\n- Remove provinceCode, cityCode, address from UserAccount aggregate\n- Remove ProvinceCode, CityCode value objects\n- Remove UserLocationUpdatedEvent domain event\n- Update Prisma schema to drop province/city/address columns\n- Update repository, mapper, handlers, services and DTOs\n- Clean up tests and factory files\n\nProvince/city should belong to adoption-service as transaction data,\nnot identity-service user data.\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <noreply@anthropic.com>\nEOF\n)\")"
     ],
     "deny": [],
     "ask": []
diff --git a/backend/services/identity-service/prisma/schema.prisma b/backend/services/identity-service/prisma/schema.prisma
index 4089e066..1b384c9e 100644
--- a/backend/services/identity-service/prisma/schema.prisma
+++ b/backend/services/identity-service/prisma/schema.prisma
@@ -10,39 +10,34 @@ datasource db {
 model UserAccount {
   userId          BigInt   @id @default(autoincrement()) @map("user_id")
   accountSequence BigInt   @unique @map("account_sequence")
-  
+
   phoneNumber     String?  @unique @map("phone_number") @db.VarChar(20)
   nickname        String   @db.VarChar(100)
   avatarUrl       String?  @map("avatar_url") @db.Text
-  
+
   inviterSequence BigInt?  @map("inviter_sequence")
   referralCode    String   @unique @map("referral_code") @db.VarChar(10)
-  
-  provinceCode    String   @map("province_code") @db.VarChar(10)
-  cityCode        String   @map("city_code") @db.VarChar(10)
-  address         String?  @db.VarChar(500)
-  
+
   kycStatus       String   @default("NOT_VERIFIED") @map("kyc_status") @db.VarChar(20)
   realName        String?  @map("real_name") @db.VarChar(100)
   idCardNumber    String?  @map("id_card_number") @db.VarChar(20)
   idCardFrontUrl  String?  @map("id_card_front_url") @db.VarChar(500)
   idCardBackUrl   String?  @map("id_card_back_url") @db.VarChar(500)
   kycVerifiedAt   DateTime? @map("kyc_verified_at")
-  
+
   status          String   @default("ACTIVE") @db.VarChar(20)
-  
+
   registeredAt    DateTime @default(now()) @map("registered_at")
   lastLoginAt     DateTime? @map("last_login_at")
   updatedAt       DateTime @updatedAt @map("updated_at")
-  
+
   devices         UserDevice[]
   walletAddresses WalletAddress[]
-  
+
   @@index([phoneNumber], name: "idx_phone")
   @@index([accountSequence], name: "idx_sequence")
   @@index([referralCode], name: "idx_referral_code")
   @@index([inviterSequence], name: "idx_inviter")
-  @@index([provinceCode, cityCode], name: "idx_province_city")
   @@index([kycStatus], name: "idx_kyc_status")
   @@index([status], name: "idx_status")
   @@map("user_accounts")
diff --git a/backend/services/identity-service/src/api/controllers/user-account.controller.ts b/backend/services/identity-service/src/api/controllers/user-account.controller.ts
index cc470584..9457a699 100644
--- a/backend/services/identity-service/src/api/controllers/user-account.controller.ts
+++ b/backend/services/identity-service/src/api/controllers/user-account.controller.ts
@@ -86,7 +86,7 @@ export class UserAccountController {
     return this.userService.register(
       new RegisterCommand(
         dto.phoneNumber, dto.smsCode, dto.deviceId,
-        dto.provinceCode, dto.cityCode, dto.deviceName, dto.inviterReferralCode,
+        dto.deviceName, dto.inviterReferralCode,
       ),
     );
   }
diff --git a/backend/services/identity-service/src/api/dto/index.ts b/backend/services/identity-service/src/api/dto/index.ts
index 99b534ba..e04aa25e 100644
--- a/backend/services/identity-service/src/api/dto/index.ts
+++ b/backend/services/identity-service/src/api/dto/index.ts
@@ -47,16 +47,6 @@ export class RegisterDto {
   @IsNotEmpty()
   deviceId: string;
 
-  @ApiProperty()
-  @IsString()
-  @IsNotEmpty()
-  provinceCode: string;
-
-  @ApiProperty()
-  @IsString()
-  @IsNotEmpty()
-  cityCode: string;
-
   @ApiPropertyOptional()
   @IsOptional()
   @IsString()
diff --git a/backend/services/identity-service/src/api/dto/response/user-profile.dto.ts b/backend/services/identity-service/src/api/dto/response/user-profile.dto.ts
index 12a2add2..96d420e4 100644
--- a/backend/services/identity-service/src/api/dto/response/user-profile.dto.ts
+++ b/backend/services/identity-service/src/api/dto/response/user-profile.dto.ts
@@ -35,15 +35,6 @@ export class UserProfileDto {
   @ApiProperty()
   referralCode: string;
 
-  @ApiProperty()
-  province: string;
-
-  @ApiProperty()
-  city: string;
-
-  @ApiProperty({ nullable: true })
-  address: string | null;
-
   @ApiProperty({ type: [WalletAddressDto] })
   walletAddresses: WalletAddressDto[];
 
diff --git a/backend/services/identity-service/src/application/commands/auto-create-account/auto-create-account.handler.ts b/backend/services/identity-service/src/application/commands/auto-create-account/auto-create-account.handler.ts
index e158f578..c3e1c754 100644
--- a/backend/services/identity-service/src/application/commands/auto-create-account/auto-create-account.handler.ts
+++ b/backend/services/identity-service/src/application/commands/auto-create-account/auto-create-account.handler.ts
@@ -3,7 +3,7 @@ import { AutoCreateAccountCommand } from './auto-create-account.command';
 import { UserAccountRepository, USER_ACCOUNT_REPOSITORY } from '@/domain/repositories/user-account.repository.interface';
 import { UserAccount } from '@/domain/aggregates/user-account/user-account.aggregate';
 import { AccountSequenceGeneratorService, UserValidatorService } from '@/domain/services';
-import { ReferralCode, AccountSequence, ProvinceCode, CityCode } from '@/domain/value-objects';
+import { ReferralCode, AccountSequence } from '@/domain/value-objects';
 import { TokenService } from '@/application/services/token.service';
 import { EventPublisherService } from '@/infrastructure/kafka/event-publisher.service';
 import { ApplicationError } from '@/shared/exceptions/domain.exception';
@@ -63,8 +63,6 @@ export class AutoCreateAccountHandler {
       deviceName: deviceNameStr,
       deviceInfo: command.deviceName,  // 100% 保持原样存储
       inviterSequence,
-      province: ProvinceCode.create('DEFAULT'),
-      city: CityCode.create('DEFAULT'),
       nickname: identity.username,
       avatarSvg: identity.avatarSvg,
     });
diff --git a/backend/services/identity-service/src/application/commands/index.ts b/backend/services/identity-service/src/application/commands/index.ts
index ab3f80f8..7ffeedb8 100644
--- a/backend/services/identity-service/src/application/commands/index.ts
+++ b/backend/services/identity-service/src/application/commands/index.ts
@@ -47,8 +47,6 @@ export class RegisterCommand {
     public readonly phoneNumber: string,
     public readonly smsCode: string,
     public readonly deviceId: string,
-    public readonly provinceCode: string,
-    public readonly cityCode: string,
     public readonly deviceName?: string,
     public readonly inviterReferralCode?: string,
   ) {}
@@ -75,7 +73,6 @@ export class UpdateProfileCommand {
     public readonly userId: string,
     public readonly nickname?: string,
     public readonly avatarUrl?: string,
-    public readonly address?: string,
   ) {}
 }
 
@@ -219,9 +216,6 @@ export interface UserProfileDTO {
   nickname: string;
   avatarUrl: string | null;
   referralCode: string;
-  province: string;
-  city: string;
-  address: string | null;
   walletAddresses: Array<{ chainType: string; address: string }>;
   kycStatus: string;
   kycInfo: { realName: string; idCardNumber: string } | null;
diff --git a/backend/services/identity-service/src/application/queries/get-my-profile/get-my-profile.handler.ts b/backend/services/identity-service/src/application/queries/get-my-profile/get-my-profile.handler.ts
index 27838ade..2a83cb03 100644
--- a/backend/services/identity-service/src/application/queries/get-my-profile/get-my-profile.handler.ts
+++ b/backend/services/identity-service/src/application/queries/get-my-profile/get-my-profile.handler.ts
@@ -27,9 +27,6 @@ export class GetMyProfileHandler {
       nickname: account.nickname,
       avatarUrl: account.avatarUrl,
       referralCode: account.referralCode.value,
-      province: account.province.value,
-      city: account.city.value,
-      address: account.addressDetail,
       walletAddresses: account.getAllWalletAddresses().map((wa) => ({
         chainType: wa.chainType,
         address: wa.address,
diff --git a/backend/services/identity-service/src/application/services/user-application.service.referral.spec.ts b/backend/services/identity-service/src/application/services/user-application.service.referral.spec.ts
index 94c09c43..f119d91b 100644
--- a/backend/services/identity-service/src/application/services/user-application.service.referral.spec.ts
+++ b/backend/services/identity-service/src/application/services/user-application.service.referral.spec.ts
@@ -3,7 +3,7 @@ import { UserApplicationService } from './user-application.service';
 import { USER_ACCOUNT_REPOSITORY, UserAccountRepository, ReferralLinkData, CreateReferralLinkParams } from '@/domain/repositories/user-account.repository.interface';
 import { MPC_KEY_SHARE_REPOSITORY, MpcKeyShareRepository } from '@/domain/repositories/mpc-key-share.repository.interface';
 import { UserAccount } from '@/domain/aggregates/user-account/user-account.aggregate';
-import { AccountSequence, ReferralCode, UserId, ProvinceCode, CityCode, AccountStatus, KYCStatus, DeviceInfo } from '@/domain/value-objects';
+import { AccountSequence, ReferralCode, UserId, AccountStatus, KYCStatus, DeviceInfo } from '@/domain/value-objects';
 import { ConfigService } from '@nestjs/config';
 import { ValidateReferralCodeQuery, GetReferralStatsQuery, GenerateReferralLinkCommand } from '@/application/commands';
 import { ApplicationError } from '@/shared/exceptions/domain.exception';
@@ -42,9 +42,6 @@ describe('UserApplicationService - Referral APIs', () => {
       avatarUrl: params.avatarUrl ?? null,
       inviterSequence: params.inviterSequence ?? null,
       referralCode: params.referralCode || 'ABC123',
-      province: '110000',
-      city: '110100',
-      address: null,
       walletAddresses: [],
       kycInfo: null,
       kycStatus: KYCStatus.NOT_VERIFIED,
diff --git a/backend/services/identity-service/src/application/services/user-application.service.ts b/backend/services/identity-service/src/application/services/user-application.service.ts
index 3d713431..143b4b83 100644
--- a/backend/services/identity-service/src/application/services/user-application.service.ts
+++ b/backend/services/identity-service/src/application/services/user-application.service.ts
@@ -7,7 +7,7 @@ import {
   AccountSequenceGeneratorService, UserValidatorService,
 } from '@/domain/services';
 import {
-  UserId, PhoneNumber, ReferralCode, AccountSequence, ProvinceCode, CityCode,
+  UserId, PhoneNumber, ReferralCode, AccountSequence,
   ChainType, KYCInfo,
 } from '@/domain/value-objects';
 import { TokenService } from './token.service';
@@ -106,8 +106,6 @@ export class UserApplicationService {
       deviceName: deviceNameStr,
       deviceInfo: command.deviceName,  // 100% 保持原样存储
       inviterSequence,
-      province: ProvinceCode.create('DEFAULT'),
-      city: CityCode.create('DEFAULT'),
       nickname: identity.username,
       avatarSvg: identity.avatarSvg,
     });
@@ -298,8 +296,6 @@ export class UserApplicationService {
       initialDeviceId: command.deviceId,
       deviceName: command.deviceName,
       inviterSequence,
-      province: ProvinceCode.create(command.provinceCode),
-      city: CityCode.create(command.cityCode),
     });
 
     await this.userRepository.save(account);
@@ -466,9 +462,6 @@ export class UserApplicationService {
       nickname: account.nickname,
       avatarUrl: account.avatarUrl,
       referralCode: account.referralCode.value,
-      province: account.province.value,
-      city: account.city.value,
-      address: account.addressDetail,
       walletAddresses: account.getAllWalletAddresses().map((wa) => ({
         chainType: wa.chainType,
         address: wa.address,
diff --git a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts
index 5f2abb43..4ab744a0 100644
--- a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts
+++ b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.aggregate.ts
@@ -1,6 +1,6 @@
 import { DomainError } from '@/shared/exceptions/domain.exception';
 import {
-  UserId, AccountSequence, PhoneNumber, ReferralCode, ProvinceCode, CityCode,
+  UserId, AccountSequence, PhoneNumber, ReferralCode,
   DeviceInfo, ChainType, KYCInfo, KYCStatus, AccountStatus,
 } from '@/domain/value-objects';
 import { WalletAddress } from '@/domain/entities/wallet-address.entity';
@@ -9,7 +9,7 @@ import {
   DeviceAddedEvent, DeviceRemovedEvent, PhoneNumberBoundEvent,
   WalletAddressBoundEvent, MultipleWalletAddressesBoundEvent,
   KYCSubmittedEvent, KYCVerifiedEvent, KYCRejectedEvent,
-  UserLocationUpdatedEvent, UserAccountFrozenEvent, UserAccountDeactivatedEvent,
+  UserAccountFrozenEvent, UserAccountDeactivatedEvent,
 } from '@/domain/events';
 
 export class UserAccount {
@@ -21,9 +21,6 @@ export class UserAccount {
   private _avatarUrl: string | null;
   private readonly _inviterSequence: AccountSequence | null;
   private readonly _referralCode: ReferralCode;
-  private _province: ProvinceCode;
-  private _city: CityCode;
-  private _address: string | null;
   private _walletAddresses: Map<ChainType, WalletAddress>;
   private _kycInfo: KYCInfo | null;
   private _kycStatus: KYCStatus;
@@ -41,9 +38,6 @@ export class UserAccount {
   get avatarUrl(): string | null { return this._avatarUrl; }
   get inviterSequence(): AccountSequence | null { return this._inviterSequence; }
   get referralCode(): ReferralCode { return this._referralCode; }
-  get province(): ProvinceCode { return this._province; }
-  get city(): CityCode { return this._city; }
-  get addressDetail(): string | null { return this._address; }
   get kycInfo(): KYCInfo | null { return this._kycInfo; }
   get kycStatus(): KYCStatus { return this._kycStatus; }
   get status(): AccountStatus { return this._status; }
@@ -58,7 +52,6 @@ export class UserAccount {
     userId: UserId, accountSequence: AccountSequence, devices: Map<string, DeviceInfo>,
     phoneNumber: PhoneNumber | null, nickname: string, avatarUrl: string | null,
     inviterSequence: AccountSequence | null, referralCode: ReferralCode,
-    province: ProvinceCode, city: CityCode, address: string | null,
     walletAddresses: Map<ChainType, WalletAddress>, kycInfo: KYCInfo | null,
     kycStatus: KYCStatus, status: AccountStatus, registeredAt: Date,
     lastLoginAt: Date | null, updatedAt: Date,
@@ -71,9 +64,6 @@ export class UserAccount {
     this._avatarUrl = avatarUrl;
     this._inviterSequence = inviterSequence;
     this._referralCode = referralCode;
-    this._province = province;
-    this._city = city;
-    this._address = address;
     this._walletAddresses = walletAddresses;
     this._kycInfo = kycInfo;
     this._kycStatus = kycStatus;
@@ -89,8 +79,6 @@ export class UserAccount {
     deviceName?: string;
     deviceInfo?: Record<string, unknown>;  // 完整的设备信息 JSON
     inviterSequence: AccountSequence | null;
-    province: ProvinceCode;
-    city: CityCode;
     nickname?: string;
     avatarSvg?: string;
   }): UserAccount {
@@ -107,7 +95,7 @@ export class UserAccount {
     const account = new UserAccount(
       UserId.create(0), params.accountSequence, devices, null,
       nickname, avatarUrl, params.inviterSequence,
-      ReferralCode.generate(), params.province, params.city, null,
+      ReferralCode.generate(),
       new Map(), null, KYCStatus.NOT_VERIFIED, AccountStatus.ACTIVE,
       new Date(), null, new Date(),
     );
@@ -117,8 +105,6 @@ export class UserAccount {
       accountSequence: params.accountSequence.value,
       initialDeviceId: params.initialDeviceId,
       inviterSequence: params.inviterSequence?.value || null,
-      province: params.province.value,
-      city: params.city.value,
       registeredAt: account._registeredAt,
     }));
 
@@ -132,8 +118,6 @@ export class UserAccount {
     deviceName?: string;
     deviceInfo?: Record<string, unknown>;  // 完整的设备信息 JSON
     inviterSequence: AccountSequence | null;
-    province: ProvinceCode;
-    city: CityCode;
   }): UserAccount {
     const devices = new Map<string, DeviceInfo>();
     devices.set(params.initialDeviceId, new DeviceInfo(
@@ -145,7 +129,7 @@ export class UserAccount {
     const account = new UserAccount(
       UserId.create(0), params.accountSequence, devices, params.phoneNumber,
       `用户${params.accountSequence.value}`, null, params.inviterSequence,
-      ReferralCode.generate(), params.province, params.city, null,
+      ReferralCode.generate(),
       new Map(), null, KYCStatus.NOT_VERIFIED, AccountStatus.ACTIVE,
       new Date(), null, new Date(),
     );
@@ -156,8 +140,6 @@ export class UserAccount {
       phoneNumber: params.phoneNumber.value,
       initialDeviceId: params.initialDeviceId,
       inviterSequence: params.inviterSequence?.value || null,
-      province: params.province.value,
-      city: params.city.value,
       registeredAt: account._registeredAt,
     }));
 
@@ -168,7 +150,6 @@ export class UserAccount {
     userId: string; accountSequence: number; devices: DeviceInfo[];
     phoneNumber: string | null; nickname: string; avatarUrl: string | null;
     inviterSequence: number | null; referralCode: string;
-    province: string; city: string; address: string | null;
     walletAddresses: WalletAddress[]; kycInfo: KYCInfo | null;
     kycStatus: KYCStatus; status: AccountStatus;
     registeredAt: Date; lastLoginAt: Date | null; updatedAt: Date;
@@ -188,9 +169,6 @@ export class UserAccount {
       params.avatarUrl,
       params.inviterSequence ? AccountSequence.create(params.inviterSequence) : null,
       ReferralCode.create(params.referralCode),
-      ProvinceCode.create(params.province),
-      CityCode.create(params.city),
-      params.address,
       walletMap,
       params.kycInfo,
       params.kycStatus,
@@ -243,24 +221,13 @@ export class UserAccount {
     return Array.from(this._devices.values());
   }
 
-  updateProfile(params: { nickname?: string; avatarUrl?: string; address?: string }): void {
+  updateProfile(params: { nickname?: string; avatarUrl?: string }): void {
     this.ensureActive();
     if (params.nickname) this._nickname = params.nickname;
     if (params.avatarUrl !== undefined) this._avatarUrl = params.avatarUrl;
-    if (params.address !== undefined) this._address = params.address;
     this._updatedAt = new Date();
   }
 
-  updateLocation(province: ProvinceCode, city: CityCode): void {
-    this.ensureActive();
-    this._province = province;
-    this._city = city;
-    this._updatedAt = new Date();
-    this.addDomainEvent(new UserLocationUpdatedEvent({
-      userId: this.userId.toString(), province: province.value, city: city.value,
-    }));
-  }
-
   bindPhoneNumber(phoneNumber: PhoneNumber): void {
     this.ensureActive();
     if (this._phoneNumber) throw new DomainError('已绑定手机号,不可重复绑定');
diff --git a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.factory.ts b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.factory.ts
index 7ffb8d7f..db56b54c 100644
--- a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.factory.ts
+++ b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.factory.ts
@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { UserAccount } from './user-account.aggregate';
-import { AccountSequence, PhoneNumber, ProvinceCode, CityCode } from '@/domain/value-objects';
+import { AccountSequence, PhoneNumber } from '@/domain/value-objects';
 
 @Injectable()
 export class UserAccountFactory {
@@ -9,8 +9,6 @@ export class UserAccountFactory {
     initialDeviceId: string;
     deviceName?: string;
     inviterSequence: AccountSequence | null;
-    province: ProvinceCode;
-    city: CityCode;
   }): UserAccount {
     return UserAccount.createAutomatic(params);
   }
@@ -21,8 +19,6 @@ export class UserAccountFactory {
     initialDeviceId: string;
     deviceName?: string;
     inviterSequence: AccountSequence | null;
-    province: ProvinceCode;
-    city: CityCode;
   }): UserAccount {
     return UserAccount.create(params);
   }
diff --git a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.spec.ts b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.spec.ts
index 8bff6b45..2d5c1d84 100644
--- a/backend/services/identity-service/src/domain/aggregates/user-account/user-account.spec.ts
+++ b/backend/services/identity-service/src/domain/aggregates/user-account/user-account.spec.ts
@@ -1,5 +1,5 @@
 import { UserAccount } from './user-account.aggregate';
-import { AccountSequence, ProvinceCode, CityCode } from '@/domain/value-objects';
+import { AccountSequence } from '@/domain/value-objects';
 import { DomainError } from '@/shared/exceptions/domain.exception';
 
 describe('UserAccount', () => {
@@ -9,8 +9,6 @@ describe('UserAccount', () => {
       initialDeviceId: 'device-001',
       deviceName: 'Test Device',
       inviterSequence: null,
-      province: ProvinceCode.create('110000'),
-      city: CityCode.create('110100'),
     });
   };
 
@@ -43,7 +41,7 @@ describe('UserAccount', () => {
       account.addDevice('device-003');
       account.addDevice('device-004');
       account.addDevice('device-005');
-      
+
       expect(() => account.addDevice('device-006')).toThrow(DomainError);
     });
   });
diff --git a/backend/services/identity-service/src/domain/events/index.ts b/backend/services/identity-service/src/domain/events/index.ts
index 53ef98d3..96aab63d 100644
--- a/backend/services/identity-service/src/domain/events/index.ts
+++ b/backend/services/identity-service/src/domain/events/index.ts
@@ -17,8 +17,6 @@ export class UserAccountAutoCreatedEvent extends DomainEvent {
       accountSequence: number;
       initialDeviceId: string;
       inviterSequence: number | null;
-      province: string;
-      city: string;
       registeredAt: Date;
     },
   ) {
@@ -38,8 +36,6 @@ export class UserAccountCreatedEvent extends DomainEvent {
       phoneNumber: string;
       initialDeviceId: string;
       inviterSequence: number | null;
-      province: string;
-      city: string;
       registeredAt: Date;
     },
   ) {
@@ -143,16 +139,6 @@ export class KYCRejectedEvent extends DomainEvent {
   }
 }
 
-export class UserLocationUpdatedEvent extends DomainEvent {
-  constructor(public readonly payload: { userId: string; province: string; city: string }) {
-    super();
-  }
-
-  get eventType(): string {
-    return 'UserLocationUpdated';
-  }
-}
-
 export class UserAccountFrozenEvent extends DomainEvent {
   constructor(public readonly payload: { userId: string; reason: string }) {
     super();
diff --git a/backend/services/identity-service/src/domain/repositories/user-account.repository.interface.ts b/backend/services/identity-service/src/domain/repositories/user-account.repository.interface.ts
index b3a1ac13..e7ad5b77 100644
--- a/backend/services/identity-service/src/domain/repositories/user-account.repository.interface.ts
+++ b/backend/services/identity-service/src/domain/repositories/user-account.repository.interface.ts
@@ -39,7 +39,7 @@ export interface UserAccountRepository {
   getMaxAccountSequence(): Promise<AccountSequence | null>;
   getNextAccountSequence(): Promise<AccountSequence>;
   findUsers(
-    filters?: { status?: AccountStatus; kycStatus?: KYCStatus; province?: string; city?: string; keyword?: string },
+    filters?: { status?: AccountStatus; kycStatus?: KYCStatus; keyword?: string },
     pagination?: Pagination,
   ): Promise<UserAccount[]>;
   countUsers(filters?: { status?: AccountStatus; kycStatus?: KYCStatus }): Promise<number>;
diff --git a/backend/services/identity-service/src/domain/value-objects/index.ts b/backend/services/identity-service/src/domain/value-objects/index.ts
index 44b57f81..7e24fe89 100644
--- a/backend/services/identity-service/src/domain/value-objects/index.ts
+++ b/backend/services/identity-service/src/domain/value-objects/index.ts
@@ -97,23 +97,6 @@ export class ReferralCode {
   }
 }
 
-// ============ ProvinceCode & CityCode ============
-export class ProvinceCode {
-  constructor(public readonly value: string) {}
-
-  static create(value: string): ProvinceCode {
-    return new ProvinceCode(value || 'DEFAULT');
-  }
-}
-
-export class CityCode {
-  constructor(public readonly value: string) {}
-
-  static create(value: string): CityCode {
-    return new CityCode(value || 'DEFAULT');
-  }
-}
-
 // ============ Mnemonic ============
 export class Mnemonic {
   constructor(public readonly value: string) {
diff --git a/backend/services/identity-service/src/infrastructure/persistence/entities/user-account.entity.ts b/backend/services/identity-service/src/infrastructure/persistence/entities/user-account.entity.ts
index c0dd5f48..d82500ce 100644
--- a/backend/services/identity-service/src/infrastructure/persistence/entities/user-account.entity.ts
+++ b/backend/services/identity-service/src/infrastructure/persistence/entities/user-account.entity.ts
@@ -7,9 +7,6 @@ export interface UserAccountEntity {
   avatarUrl: string | null;
   inviterSequence: bigint | null;
   referralCode: string;
-  provinceCode: string;
-  cityCode: string;
-  address: string | null;
   kycStatus: string;
   realName: string | null;
   idCardNumber: string | null;
diff --git a/backend/services/identity-service/src/infrastructure/persistence/mappers/user-account.mapper.ts b/backend/services/identity-service/src/infrastructure/persistence/mappers/user-account.mapper.ts
index 648c1d55..6a90345b 100644
--- a/backend/services/identity-service/src/infrastructure/persistence/mappers/user-account.mapper.ts
+++ b/backend/services/identity-service/src/infrastructure/persistence/mappers/user-account.mapper.ts
@@ -52,9 +52,6 @@ export class UserAccountMapper {
       avatarUrl: entity.avatarUrl,
       inviterSequence: entity.inviterSequence ? Number(entity.inviterSequence) : null,
       referralCode: entity.referralCode,
-      province: entity.provinceCode,
-      city: entity.cityCode,
-      address: entity.address,
       walletAddresses: wallets,
       kycInfo,
       kycStatus: entity.kycStatus as KYCStatus,
diff --git a/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts b/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts
index a3bdae07..c32d4d1e 100644
--- a/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts
+++ b/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts
@@ -32,9 +32,6 @@ export class UserAccountRepositoryImpl implements UserAccountRepository {
             avatarUrl: account.avatarUrl,
             inviterSequence: account.inviterSequence ? BigInt(account.inviterSequence.value) : null,
             referralCode: account.referralCode.value,
-            provinceCode: account.province.value,
-            cityCode: account.city.value,
-            address: account.addressDetail,
             kycStatus: account.kycStatus,
             realName: account.kycInfo?.realName || null,
             idCardNumber: account.kycInfo?.idCardNumber || null,
@@ -56,9 +53,6 @@ export class UserAccountRepositoryImpl implements UserAccountRepository {
             phoneNumber: account.phoneNumber?.value || null,
             nickname: account.nickname,
             avatarUrl: account.avatarUrl,
-            provinceCode: account.province.value,
-            cityCode: account.city.value,
-            address: account.addressDetail,
             kycStatus: account.kycStatus,
             realName: account.kycInfo?.realName || null,
             idCardNumber: account.kycInfo?.idCardNumber || null,
@@ -184,14 +178,12 @@ export class UserAccountRepositoryImpl implements UserAccountRepository {
   }
 
   async findUsers(
-    filters?: { status?: AccountStatus; kycStatus?: KYCStatus; province?: string; city?: string; keyword?: string },
+    filters?: { status?: AccountStatus; kycStatus?: KYCStatus; keyword?: string },
     pagination?: Pagination,
   ): Promise<UserAccount[]> {
     const where: any = {};
     if (filters?.status) where.status = filters.status;
     if (filters?.kycStatus) where.kycStatus = filters.kycStatus;
-    if (filters?.province) where.provinceCode = filters.province;
-    if (filters?.city) where.cityCode = filters.city;
     if (filters?.keyword) {
       where.OR = [
         { nickname: { contains: filters.keyword } },
@@ -262,9 +254,6 @@ export class UserAccountRepositoryImpl implements UserAccountRepository {
       avatarUrl: data.avatarUrl,
       inviterSequence: data.inviterSequence ? Number(data.inviterSequence) : null,
       referralCode: data.referralCode,
-      province: data.provinceCode,
-      city: data.cityCode,
-      address: data.address,
       walletAddresses: wallets,
       kycInfo,
       kycStatus: data.kycStatus as KYCStatus,