Global Infrastructure & Provisioning

AWS runs its infrastructure in Regions — separate geographic areas such as us-east-1 (N. Virginia), eu-west-2 (London), or ap-southeast-1 (Singapore).

Each Region is isolated from the others: data you store in one Region stays there unless you explicitly move it. That isolation provides fault tolerance and helps meet data-residency laws.

Most services are Regional, so you choose a Region whenever you create a resource.