# Region
<a name="API_Region"></a>

The AWS Region.

## Contents
<a name="API_Region_Contents"></a>

**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** regionName **   <a name="datazone-Type-Region-regionName"></a>
The AWS Region name.  
Type: String  
Length Constraints: Minimum length of 4. Maximum length of 16.  
Pattern: `[a-z]{2}-?(iso|gov)?-{1}[a-z]*-{1}[0-9]`   
Required: No

 ** regionNamePath **   <a name="datazone-Type-Region-regionNamePath"></a>
The region name path.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Required: No

## See Also
<a name="API_Region_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/datazone-2018-05-10/Region) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/datazone-2018-05-10/Region) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/datazone-2018-05-10/Region)