Erewash ( /ˈɛrəwɒʃ/ ERR-ə-wosh) is a local government district and borough in eastern Derbyshire, England, to the east of Derby and the west of Nottingham. It contains the towns of Ilkeston, Long Eaton and Sandiacre and fourteen civil parishes.
The borough was formed on 1 April 1974 by the merger of the Borough of Ilkeston, the Long Eaton urban district and part of South East Derbyshire Rural District.
The borough council's headquarters are split between each of the main urban areas at Long Eaton and Ilkeston town halls.
The borough is home to the public school, Trent College, The Long Eaton School In Long Eaton, Erewash and its junior / prep school The Elms School.