Mappings:
  RegionMap:
    region-1:
      HVM64: name1
      HVMG2: name2
Resources:
  Bucket1:
    Type: AWS::S3::Bucket
    Properties:
      BucketName:
        !FindInMap
          - RegionMap
          - region-1
          - HVM64
  Bucket2:
    Type: AWS::S3::Bucket
    Properties:
      BucketName:
        !FindInMap [ RegionMap, region-1, HVMG2 ]