Availability Zone
Each AWS Region has an Availability Zones (us-east-1a, us-east-1b,...). Each availability zone is a physical datacenter in the region, but separate from the other ones (so that they're isolated from disasters).
Each AWS Region has an Availability Zones (us-east-1a, us-east-1b,...). Each availability zone is a physical datacenter in the region, but separate from the other ones (so that they're isolated from disasters).