The Government of the Northwest Territory's Department of Municipal and Community Affairs divides the territory into five regions. Other services have adopted similar divisions for administrative purposes, making these the de facto regions of the territory. These divisions have no government of their own, but the Northwest Territories' government services are decentralized on a regional basis. Some government departments make slight changes to this arrangement. For example, the Health and Social Services Authority groups
Fort Resolution with the North Slave Region, and divides South Slave Region into two regions: Hay River and Fort Smith. The Department of Natural Resources uses the same borders, but calls the Inuvik Region "Beaufort Delta". ==Indigenous governance regions==