Merge pull request #3582 from BerriAI/litellm_explicit_region_name_setting

feat(router.py): allow setting model_region in litellm_params

litellm/llms/bedrock.py

@@ -52,6 +52,16 @@ class AmazonBedrockGlobalConfig:
                 optional_params[mapped_params[param]] = value
         return optional_params
 
+    def get_eu_regions(self) -> List[str]:
+        """
+        Source: https://www.aws-services.info/bedrock.html
+        """
+        return [
+            "eu-west-1",
+            "eu-west-3",
+            "eu-central-1",
+        ]
+
 
 class AmazonTitanConfig:
     """