Derbyshire Dales is a local government district in Derbyshire, England. The district was created in 1974 as West Derbyshire; the name was changed to Derbyshire Dales in 1987. The council is based in the town of Matlock, and the district also includes the towns of Ashbourne, Bakewell, Darley Dale and Wirksworth, as well as numerous villages and extensive rural areas. Much of the district is within the Peak District National Park.