diff --git a/CHANGELOG.md b/CHANGELOG.md
index e32e9c27e..a7b32480c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -279,6 +279,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an issue in `AWSBedrockLLMService` where the `aws_region` arg was
+  always set to `us-east-1`.
+
 - Fixed an issue with `DeepgramFluxSTTService` where it sometimes failed to reconnect.
 
 - Fixed an issue in `ElevenLabsRealtimeSTTService` where dynamic language
diff --git a/src/pipecat/services/aws/llm.py b/src/pipecat/services/aws/llm.py
index a9d9af716..e5488ed34 100644
--- a/src/pipecat/services/aws/llm.py
+++ b/src/pipecat/services/aws/llm.py
@@ -734,7 +734,7 @@ class AWSBedrockLLMService(LLMService):
         aws_access_key: Optional[str] = None,
         aws_secret_key: Optional[str] = None,
         aws_session_token: Optional[str] = None,
-        aws_region: str = "us-east-1",
+        aws_region: Optional[str] = None,
         params: Optional[InputParams] = None,
         client_config: Optional[Config] = None,
         retry_timeout_secs: Optional[float] = 5.0,