Central Otago District is local government district in New Zealand. It is administered by the Central Otago District Council, and it is in the Otago region, the top tier of local government in New Zealand. The major towns in the district are Alexandra, Cromwell, Roxburgh, Clyde and Ranfurly. The district covers 9,968 km2 (3,849 sq mi), making it the fourth-largest district in New Zealand by area, and is home to 26,000 people as of June 2023.

Cromwell is a town in Central Otago region of the South Island of New Zealand. Cromwell is located on the shores of Lake Dunstan where the Kawarau river joins Lake Dunstan. Cromwell was established during the Otago gold rush and is now more known as one of the sub regions of the Central Otago wine region. In 2018, the town of Cromwell was home to a population of 5610 people.