diff --git a/libs/common/src/auth/services/auth.service.ts b/libs/common/src/auth/services/auth.service.ts
index f1c1c0d..8f1080c 100644
--- a/libs/common/src/auth/services/auth.service.ts
+++ b/libs/common/src/auth/services/auth.service.ts
@@ -17,10 +17,21 @@ export class AuthService {
     private readonly configService: ConfigService,
   ) {}
 
-  async validateUser(email: string, pass: string): Promise<any> {
+  async validateUser(
+    email: string,
+    pass: string,
+    regionUuid?: string,
+  ): Promise<any> {
     const user = await this.userRepository.findOne({
       where: {
         email,
+        region: regionUuid
+          ? {
+              uuid: regionUuid,
+            }
+          : {
+              regionName: 'United Arab Emirates',
+            },
       },
       relations: ['roles.roleType'],
     });
diff --git a/src/auth/dtos/user-auth.dto.ts b/src/auth/dtos/user-auth.dto.ts
index 1d6e2a5..b934c4c 100644
--- a/src/auth/dtos/user-auth.dto.ts
+++ b/src/auth/dtos/user-auth.dto.ts
@@ -1,5 +1,5 @@
 import { ApiProperty } from '@nestjs/swagger';
-import { IsEmail, IsNotEmpty, IsString } from 'class-validator';
+import { IsEmail, IsNotEmpty, IsOptional, IsString } from 'class-validator';
 import { IsPasswordStrong } from 'src/validators/password.validator';
 
 export class UserSignUpDto {
@@ -38,4 +38,8 @@ export class UserSignUpDto {
   @IsString()
   @IsNotEmpty()
   public lastName: string;
+
+  @IsString()
+  @IsOptional()
+  public regionUuid: string;
 }
diff --git a/src/auth/dtos/user-login.dto.ts b/src/auth/dtos/user-login.dto.ts
index 6a14047..1f3662b 100644
--- a/src/auth/dtos/user-login.dto.ts
+++ b/src/auth/dtos/user-login.dto.ts
@@ -11,4 +11,9 @@ export class UserLoginDto {
   @IsString()
   @IsOptional()
   password: string;
+
+  @ApiProperty()
+  @IsString()
+  @IsOptional()
+  regionUuid?: string;
 }
diff --git a/src/auth/services/user-auth.service.ts b/src/auth/services/user-auth.service.ts
index a514c1c..f464837 100644
--- a/src/auth/services/user-auth.service.ts
+++ b/src/auth/services/user-auth.service.ts
@@ -44,9 +44,17 @@ export class UserAuthService {
     );
 
     try {
+      const { regionUuid, ...rest } = userSignUpDto;
       const user = await this.userRepository.save({
-        ...userSignUpDto,
+        ...rest,
         password: hashedPassword,
+        region: regionUuid
+          ? {
+              uuid: regionUuid,
+            }
+          : {
+              regionName: 'United Arab Emirates',
+            },
       });
 
       return user;
@@ -80,7 +88,11 @@ export class UserAuthService {
   }
 
   async userLogin(data: UserLoginDto) {
-    const user = await this.authService.validateUser(data.email, data.password);
+    const user = await this.authService.validateUser(
+      data.email,
+      data.password,
+      data.regionUuid,
+    );
 
     if (!user) {
       throw new UnauthorizedException('Invalid login credentials.');