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Amazon S3 - Buckets and Regions

What is a region/s endpoint location?

When you create a Bucket, you must name it according to Amazon S3 Bucket Name constraints and by region which is optional. By default, a Bucket is created in the US standard region but you have an option to specify the region. This is to optimize latency, minimize costs, or address regulatory requirements.

There are 8 edge locations where you can create the Bucket.

Edge location Uses S3 Endpoint S3 Location Constraint
US Standard Uses Amazon S3 servers in the United States. By default, Buckets are created in this region. s3.amazonaws.com none required
US West (Oregon) Region This uses Amazon S3 servers in Oregon. s3-us-west-2.amazonaws.com us-west-2
US West (Northern California) Region This used Amazon S3 servers in Northern California. s3-us-west-1.amazonaws.com us-west-1
EU (Ireland) Region This uses Amazon S3 servers in Ireland. s3-eu-west-1.amazonaws.com EU
Asia Pacific (Singapore) Region This uses Amazon S3 servers in Singapore. s3-ap-southeast-1.amazonaws.com ap-southeast-1
Asia Pacific (Sydney) Region This uses Amazon S3 servers in Sydney. s3-ap-southeast-2.amazonaws.com ap-southeast-2
Asia Pacific (Tokyo) Region This uses Amazon S3 servers in Tokyo. s3-ap-northeast-1.amazonaws.com ap-northeast-1
South America (San Paulo) Region This uses Amazon S3 servers in San Paulo. s3-sa-east-1.amazonaws.com sa-east-1

Note:
  • S3 Website EndPoint Syntax: s3-website-<S3 Location Constraint>.amazonaws.com
  • SNS EndPoint Syntax: sns.<S3 Location Constraint>.amazonaws.com
  • Use "us-east-1" for US Standard.