---
type: resource-type
title: NeptuneDBSubnetGroup
description: aws resource type AWS::Neptune::DBSubnetGroup
name: NeptuneDBSubnetGroup
lexicon: aws
resource_type: AWS::Neptune::DBSubnetGroup
---
`AWS::Neptune::DBSubnetGroup`, a resource type of the aws lexicon.

## Properties

- `DBSubnetGroupDescription` (`string`, required): The description for the DB subnet group.
- `SubnetIds` (`string[]`, required): The Amazon EC2 subnet IDs for the DB subnet group.
- `DBSubnetGroupName` (`string`, optional): The name for the DB subnet group. This value is stored as a lowercase string. Constraints: Must contain no more than 255 lowercase alphanumeric characters or hyphens. Must not be "Default". Example: mysubnetgroup
- `Tags` (`NeptuneDBSubnetGroup_Tag[]`, optional): An optional array of key-value pairs to apply to this DB subnet group.