The Ennepe-Ruhr-Kreis is bounded by (from the north and clockwise) the district-free cities of Bochum, Dortmund and Hagen, the districts of Märkischer Kreis (with Schalksmühle and Halver) and Oberbergischer Kreis (with Radevormwald), the city of Wuppertal, the district of Mettmann (with Velbert) and the city of Essen.