Erewash is a local government district with borough status in Derbyshire, England. The borough is named after the River Erewash. The council has offices in both the borough's towns of Ilkeston and Long Eaton. The borough also includes several villages and surrounding rural areas. Some of the built-up areas in the east of the borough form part of the Nottingham Urban Area.

South Derbyshire is a local government district in Derbyshire, England. The district covers the towns of Melbourne and Swadlincote as well as numerous villages and hamlets such as Hilton, Hatton, Etwall, Aston-on-Trent, Repton, Weston-on-Trent and Willington. About a third of the National Forest lies within the district.