>>> import boto.ec2
>>> regions = boto.ec2.regions()
>>> regions
[RegionInfo:ap-southeast-1, RegionInfo:ap-southeast-2, RegionInfo:us-west-2, RegionInfo:us-east-1, RegionInfo:us-gov-west-1, RegionInfo:us-west-1, RegionInfo:sa-east-1, RegionInfo:ap-northeast-1, RegionInfo:eu-west-1]
>>> regions[-1].name
'eu-west-1'
>>> regions[-1].endpoint
'ec2.eu-west-1.amazonaws.com'