Rottenburg am Neckar (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 50 kilometres (31 miles) southwest of the provincial capital Stuttgart and about 12 km (7 mi) 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.