Welbeck Abbey is an English mansion situated in the village of Welbeck, which is within the civil parish of Norton, Cuckney, Holbeck and Welbeck, in the Bassetlaw District of Nottinghamshire. It was the site of a monastery belonging to the Premonstratensian order in England and after the Dissolution of the Monasteries, a country house residence of the Dukes of Portland. It is part of the Dukeries, four contiguous ducal estates in North Nottinghamshire. The house is a Grade I listed building.

Bassetlaw is a local government district in north Nottinghamshire, England. Its council is based in the town of Worksop; the other towns in the district are Retford, Tuxford and Harworth Bircotes. The district also contains numerous villages and surrounding rural areas.