Caussade is a commune in the district of Montauban, located in the Tarn-et-Garonne department in the Midi-Pyrénées region in the south of France.Caussade, an ancient city of the white Quercy or lower Quercy, is located in the hills of Quercy and nicknamed "hat city" due to milliner production in the late nineteenth and early twentieth century. The straw hat, the famous boater was made in Caussade.The inhabitants are called the Caussadais and Caussadaises .