With ever-growing AWS regions and data centres, it very handy to use the AWS CLI command-line to list all the available regions.
Before we start, you will need AWS CLI installed and configured with a credential file or aws configure command.
List Regions
To list all the AWS regions in a table output, use the following command.
aws ec2 describe-regions --output table
You could also use the following command to list all the regions only in a list format.
aws ec2 describe-regions \
--all-regions \
--query "Regions[].{Name:RegionName}" \
--output text