diff --git a/packages/sdk/server-ai/src/api/config/types.ts b/packages/sdk/server-ai/src/api/config/types.ts
index 05e67ee58b..adcb3c4d9f 100644
--- a/packages/sdk/server-ai/src/api/config/types.ts
+++ b/packages/sdk/server-ai/src/api/config/types.ts
@@ -37,6 +37,11 @@ export interface LDModelConfig {
    * Additional user-specified parameters.
    */
   custom?: { [index: string]: unknown };
+
+  /**
+   * The region for the model.
+   */
+  region?: string;
 }
 
 export interface LDProviderConfig {