Hockenheim is a German city in northwest Baden-Württemberg, about 20 km south of Mannheim. Hockenheim is one of the six largest towns in the Rhein-Neckar-Kreis district. In 1999, the number of inhabitants exceeded the 20,000 threshold, thus in 2001, the Hockenheim government agreed upon a central administrative body with neighbouring municipalities Altlußheim, Neulußheim and Reilingen. It is twinned with the French town of Commercy and the American city of Mooresville.