Summary
An AWS Region connects at least two Availability Zones located within a single geographic area into a low-latency network. Because of the default isolation of their underlying hardware, building secure, access-controlled regional environments is eminently possible.
An Availability Zone is a group of one or more independent (and fault-protected) data centers located within a single geographic region.
It’s important to be aware of the region that’s currently selected by your interface (either the AWS Management Console or a command-line terminal), as any operations you execute will launch specifically within the context of that region.
The design structure of Amazon’s global system of regions allows you to build your infrastructure in ways that provide the best possible user experience while meeting your security and regulatory needs.
AWS offers some global resources whose use isn’t restricted to any one region. Those include IAM, CloudFront, and S3...