| Region Code | Region Name | Availability Zones |
|---|---|---|
| us-east-1* | N. Virginia | us-east-1a us-east-1b us-east-1c us-east-1d us-east-1e |
| us-east-2 | Ohio | us-east-2a us-east-2b us-east-2c |
| us-west-1* | N. California | us-west-1a us-west-1b us-west-1c |
| us-west-2 | Oregon | us-west-2a us-west-2b us-west-2c |
| eu-west-1 | Ireland | eu-west-1a eu-west-1b eu-west-1c |
| eu-central-1 | Frankfurt | eu-central-1a eu-central-1b |
| ap-northeast-1* | Tokyo | ap-northeast-1a ap-northeast-1b ap-northeast-1c |
| ap-northeast-2 | Seoul | ap-northeast-2a ap-northeast-2c |
| ap-southeast-1 | Singapore | ap-southeast-1a ap-southeast-1b |
| ap-southeast-2 | Sydney | ap-southeast-2a ap-southeast-2b ap-southeast-2c |
| ap-south-1 | Mumbai | ap-south-1a ap-south-1b |
| sa-east-1 | Sao Paulo | sa-east-1a sa-east-1b sa-east-1c |
* To ensure that resources are distributed across the Availability Zones for these regions, they may differ for each AWS account. You can run aws ec2 describe-availability-zones --region $REGION to be sure which ones are available to you.
NOTE: This data pertains to the AWS EC2 service, other AWS services (e.g. RDS, S3, ...) may differ
Information correct as of October 18, 2016.