Doesn’t directly map to a continent or a country. It’s an area of the world that AWS selected, and inside that region is a full deployment of AWS infrastructure.

For most of AWS services, when you interact with them, you actually interact with the service in a specific region.

  • Geographic separation - isolated fault domain.
  • Geopolitical separation - different governance.
  • Location control - performance.

Region has a region code and a region name. Example:

  • Region code: ap-southeast-2
  • Region name: Asia Pacific (Sydney)

Within a region there are multiple availability zones.