diff --git a/packages/jupyter-ai-magics/jupyter_ai_magics/partner_providers/aws.py b/packages/jupyter-ai-magics/jupyter_ai_magics/partner_providers/aws.py
index 07a29a706..66a6838c5 100644
--- a/packages/jupyter-ai-magics/jupyter_ai_magics/partner_providers/aws.py
+++ b/packages/jupyter-ai-magics/jupyter_ai_magics/partner_providers/aws.py
@@ -26,13 +26,6 @@ class BedrockProvider(BaseProvider, BedrockLLM):
         "cohere.command-text-v14",
         "cohere.command-r-v1:0",
         "cohere.command-r-plus-v1:0",
-        "meta.llama2-13b-chat-v1",
-        "meta.llama2-70b-chat-v1",
-        "meta.llama3-8b-instruct-v1:0",
-        "meta.llama3-70b-instruct-v1:0",
-        "meta.llama3-1-8b-instruct-v1:0",
-        "meta.llama3-1-70b-instruct-v1:0",
-        "meta.llama3-1-405b-instruct-v1:0",
         "mistral.mistral-7b-instruct-v0:2",
         "mistral.mixtral-8x7b-instruct-v0:1",
         "mistral.mistral-large-2402-v1:0",
@@ -58,30 +51,53 @@ async def _acall(self, *args, **kwargs) -> Coroutine[Any, Any, str]:
 class BedrockChatProvider(BaseProvider, ChatBedrock):
     id = "bedrock-chat"
     name = "Amazon Bedrock Chat"
+    
+    cri_models = [
+        # Anthropic models
+        "anthropic.claude-3-haiku-20240307-v1:0",
+        "anthropic.claude-3-5-haiku-20241022-v1:0",
+        "anthropic.claude-3-sonnet-20240229-v1:0",
+        "anthropic.claude-3-5-sonnet-20240620-v1:0",
+        "anthropic.claude-3-5-sonnet-20241022-v2:0",
+        "anthropic.claude-3-opus-20240229-v1:0",
+        # Meta Llama 3.1 models
+        "meta.llama3-1-8b-instruct-v1:0",
+        "meta.llama3-1-70b-instruct-v1:0",
+        # Meta Llama 3.2 models
+        "meta.llama3-2-1b-instruct-v1:0",
+        "meta.llama3-2-3b-instruct-v1:0",
+        "meta.llama3-2-11b-instruct-v1:0",
+        "meta.llama3-2-90b-instruct-v1:0",
+    ]
+    """
+    List of model IDs that support cross-region inference (CRI) in the "us" region area.
+
+    - If a model supports CRI, we default to invoking CRI as it allows the model to be called regardless of the user's region.
+    - To invoke CRI, we prepend "us." to the model ID internally, which transforms it into an inference profile ID, indicating that CRI should be used.
+    - Currently, we only support CRI to the "us" region area.
+
+    Source: https://docs.aws.amazon.com/bedrock/latest/userguide/inference-profiles-support.html
+    """
+
     models = [
+        *cri_models,
+        # Amazon models (no CRI)
         "amazon.titan-text-express-v1",
         "amazon.titan-text-lite-v1",
         "amazon.titan-text-premier-v1:0",
+        # Anthropic v1 & v2 models (no CRI)
         "anthropic.claude-v2",
         "anthropic.claude-v2:1",
         "anthropic.claude-instant-v1",
-        "anthropic.claude-3-sonnet-20240229-v1:0",
-        "anthropic.claude-3-haiku-20240307-v1:0",
-        "anthropic.claude-3-opus-20240229-v1:0",
-        "anthropic.claude-3-5-haiku-20241022-v1:0",
-        "anthropic.claude-3-5-sonnet-20240620-v1:0",
-        "anthropic.claude-3-5-sonnet-20241022-v2:0",
+        # Meta Llama 2 models (no CRI)
         "meta.llama2-13b-chat-v1",
         "meta.llama2-70b-chat-v1",
+        # Meta Llama 3 models (no CRI)
         "meta.llama3-8b-instruct-v1:0",
         "meta.llama3-70b-instruct-v1:0",
-        "meta.llama3-1-8b-instruct-v1:0",
-        "meta.llama3-1-70b-instruct-v1:0",
+        # Meta Llama 3.1 models (only one not supporting CRI)
         "meta.llama3-1-405b-instruct-v1:0",
-        "meta.llama3-2-1b-instruct-v1:0",
-        "meta.llama3-2-3b-instruct-v1:0",
-        "meta.llama3-2-11b-instruct-v1:0",
-        "meta.llama3-2-90b-instruct-v1:0",
+        # Mistral models
         "mistral.mistral-7b-instruct-v0:2",
         "mistral.mixtral-8x7b-instruct-v0:1",
         "mistral.mistral-large-2402-v1:0",
@@ -91,11 +107,6 @@ class BedrockChatProvider(BaseProvider, ChatBedrock):
     pypi_package_deps = ["langchain-aws"]
     auth_strategy = AwsAuthStrategy()
     fields = [
-        TextField(
-            key="region_area",
-            label="Cross-region inference area (possibly required)",
-            format="text",
-        ),
         TextField(
             key="credentials_profile_name",
             label="AWS profile (optional)",
@@ -103,14 +114,13 @@ class BedrockChatProvider(BaseProvider, ChatBedrock):
         ),
         TextField(key="region_name", label="Region name (optional)", format="text"),
     ]
-    help = "Specify the Cross Region Inference (CRI) Area Name. \
-        Look this up [here](https://docs.aws.amazon.com/bedrock/latest/userguide/inference-profiles-support.html#inference-profiles-support-system)."
 
     def __init__(self, *args, **kwargs):
-        region_area = kwargs.pop("region_area", None)
-        if region_area:
-            kwargs["model_id"] = region_area + "." + kwargs["model_id"]
-        super().__init__(*args, **kwargs)
+        model_id = kwargs.pop("model_id")
+        if model_id in self.cri_models:
+            model_id = "us." + model_id
+            
+        super().__init__(*args, **kwargs, model_id=model_id)
 
     async def _acall(self, *args, **kwargs) -> Coroutine[Any, Any, str]:
         return await self._call_in_executor(*args, **kwargs)