text: For example, https://dynamodb.us-west-1.amazonaws.com is the endpoint for the Amazon 
  DynamoDB service in the US West (N. California) Region. 
  
  The region code is also used to identify AWS resources with Amazon Resource Names, also called 
  
  "ARNs". Because AWS is deployed all over the world, ARNs function like an addressing system to 
  
  precisely locate which speciﬁc part of AWS we are referring to. ARNs have a hierarchical structure: 