diff --git a/cdk/app.py b/cdk/app.py
index 8a59760..4b3e555 100644
--- a/cdk/app.py
+++ b/cdk/app.py
@@ -6,7 +6,13 @@ from sfec2.sci_stack import VpcBasisStack
 
 app = cdk.App()
 
-regionList = [ "us-east-2", "ap-southeast-1" ]
+regionList = [
+    "us-east-1"     , # Northern Virginia
+    "ap-southeast-1", # Singapore
+    "ap-southeast-2", # Sydney
+    "eu-west-1"     , # Dublin, Ireland
+    "sa-east-1"       # São Paulo, Brazil
+    ]
 
 i = 0
 for region in regionList: