diff --git a/README.md b/README.md
index 7c086b2..54250e1 100644
--- a/README.md
+++ b/README.md
@@ -7,4 +7,8 @@ There are two submodules:
 * Network - a module that creates a VPC with defined subnets
 * Cloud VPN - a module that creates a Cloud VPN
 
+Compute Engine free tier regions: 
 
+* Oregon - **us-west1**
+* Iowa - **us-central1**
+* South Carolina - **us-east1**