Derbyshire ( DAR-bee-sheer, -shər) is a ceremonial county in the East Midlands of England. It borders Greater Manchester, West Yorkshire, and South Yorkshire to the north, Nottinghamshire to the east, Leicestershire to the south-east, Staffordshire to the south and west, and Cheshire to the west. The city of Derby is the largest settlement.
The county has an area of 2,625 km (1,014 sq mi) and had an estimated population of 1,096,526 in 2024. The eastern half of the county is the more densely populated and contains its largest settlements: Chesterfield in the north-east, Derby in the south-east, and Swadlincote in the south. The spa town of Buxton and Glossop are located in the north-west, and Matlock near the centre. For local government purposes Derbyshire comprises a non-metropolitan county, with eight districts, and the Derby unitary authority area. The East Midlands Combined County Authority includes Derbyshire County Council and Derby City Council.