A cloud region is a geographically distinct location containing data centers where cloud services operate. During Elastic Beanstalk setup, choose the region where the application will run. section 12.3.6
Choose a region near most users when possible. Geography affects latency, so users in the eastern United States might use us-east-2 (Ohio), while users in India might use ap-south-1 (Mumbai). section 12.3.6

