Conditions:
  AlwaysTrueCond:
    !Not [ !Equals [ !Ref "AWS::Region", completely-made-up-region1 ] ]
  AnotherAlwaysTrueCond:
    !Not [ !Equals [ !Ref "AWS::Region", completely-made-up-region2 ] ]
  ThirdAlwaysTrueCond:
    !Not [ !Equals [ !Ref "AWS::Region", completely-made-up-region3 ] ]
  CombinedCond:
    !Or [!Condition AlwaysTrueCond, !Condition AnotherAlwaysTrueCond, !Condition ThirdAlwaysTrueCond]
Resources:
  Bucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName:
        !If
        - CombinedCond
        - MyBucketName
        - !Ref AWS::NoValue