Pfalzgrafenweiler is a town in the district of Freudenstadt in Baden-Württemberg in southern Germany.The Counts of Tübingen had a large castle located at Pfalzgrafenweiler in the 13th and 14th centuries. Between 1972 and 1975, the municipalities of Bösingen, Durrweiler, Edelweiler, Herzogsweiler, and Kälberbronn were added to Pfalzgrafenweiler.