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.

Aston-on-Trent is a village and civil parish in the South Derbyshire district, in the county of Derbyshire, England. The parish had a population of 1,682 at the 2011 Census. It is adjacent to Weston-on-Trent and near Chellaston, very close to the border with Leicestershire.