diff --git a/localstack/constants.py b/localstack/constants.py
index 1127e9098439c..8abca4bf08009 100644
--- a/localstack/constants.py
+++ b/localstack/constants.py
@@ -156,13 +156,13 @@
 TEST_AWS_ACCOUNT_ID = os.getenv("TEST_AWS_ACCOUNT_ID") or DEFAULT_AWS_ACCOUNT_ID
 TEST_AWS_ACCESS_KEY_ID = os.getenv("TEST_AWS_ACCESS_KEY_ID") or "test"
 TEST_AWS_SECRET_ACCESS_KEY = os.getenv("TEST_AWS_SECRET_ACCESS_KEY") or "test"
-TEST_AWS_REGION_NAME = "us-east-1"
+TEST_AWS_REGION_NAME = os.getenv("TEST_AWS_REGION") or "us-east-1"
 
 # Additional credentials used in the test suite (when running cross-account tests)
 SECONDARY_TEST_AWS_ACCOUNT_ID = os.getenv("SECONDARY_TEST_AWS_ACCOUNT_ID") or "000000000002"
 SECONDARY_TEST_AWS_ACCESS_KEY_ID = os.getenv("SECONDARY_TEST_AWS_ACCESS_KEY_ID") or "000000000002"
 SECONDARY_TEST_AWS_SECRET_ACCESS_KEY = os.getenv("SECONDARY_TEST_AWS_SECRET_ACCESS_KEY") or "test2"
-SECONDARY_TEST_AWS_REGION_NAME = "ap-southeast-1"
+SECONDARY_TEST_AWS_REGION_NAME = os.getenv("SECONDARY_TEST_AWS_REGION") or "ap-southeast-1"
 
 # Credentials used for internal calls
 INTERNAL_AWS_ACCESS_KEY_ID = "__internal_call__"