The Auckland Region is one of the sixteen regions of New Zealand, named for the city of Auckland, the country's largest urban area. The region encompasses the Auckland metropolitan area, smaller towns, rural areas, and the islands of the Hauraki Gulf. With one third of the nation's residents, it has by far the biggest population and economy of any region of New Zealand, but the second-smallest land area.
On 1 November 2010, the Auckland Region became a unitary authority controlled by the Auckland Council, replacing the previous regional council and seven local councils. In the process, an area in its southeastern corner was transferred to the neighbouring Waikato Region. The name "Auckland Region" remains present in casual usage.