(until July 10, 1964 only Rottenburg) is a medium-sized town in the administrative district (Landkreis) of Tübingen in Baden-Württemberg, Germany. It lies about southwest of the provincial capital Stuttgart and about southwest of the district town Tübingen. Rottenburg is the second largest city of the district after Tübingen and makes up a secondary center for the surrounding community. Since May 1, 1972, Rottenburg am Neckar is a district town (Große Kreisstadt). Rottenburg agreed to an administrative collectivity with the municipalities of Hirrlingen, Neustetten and Starzach.