Castelsarrasin's a commune in the département of Tarn-et-Garonne in Midi-Pyrénées. The inhabitants are called Castelsarrasinois. History The first signs of life in the town's from 961. The name, Castel Sarracenum, would indicate that the castle was built in the Saracen era. Castelsarrasin was the finish of Stage 17 in the 2007 Tour de France. Famous Castelsarrasinois Charles de Mazade, born in 1820. Pierre Perret, singer Monuments Église Saint-Sauveur Administration Caste… (More on Castelsarrasin)