diff --git a/litellm/main.py b/litellm/main.py
index 44bebb351..433e7be31 100644
--- a/litellm/main.py
+++ b/litellm/main.py
@@ -1468,11 +1468,13 @@ def completion(
         elif custom_llm_provider == "vertex_ai":
             vertex_ai_project = (
                 optional_params.pop("vertex_project", None)
+                or optional_params.pop("vertex_ai_project", None)
                 or litellm.vertex_project
                 or get_secret("VERTEXAI_PROJECT")
             )
             vertex_ai_location = (
                 optional_params.pop("vertex_location", None)
+                or optional_params.pop("vertex_ai_location", None)
                 or litellm.vertex_location
                 or get_secret("VERTEXAI_LOCATION")
             )
@@ -2567,11 +2569,13 @@ def embedding(
         elif custom_llm_provider == "vertex_ai":
             vertex_ai_project = (
                 optional_params.pop("vertex_project", None)
+                or optional_params.pop("vertex_ai_project", None)
                 or litellm.vertex_project
                 or get_secret("VERTEXAI_PROJECT")
             )
             vertex_ai_location = (
                 optional_params.pop("vertex_location", None)
+                or optional_params.pop("vertex_ai_location", None)
                 or litellm.vertex_location
                 or get_secret("VERTEXAI_LOCATION")
             )