a department of southern France, in the Garonne and Tarn river basins; located in the southwestern Massif Central. Area, 3,700 sq km. Population, 183,000 (1975). The capital is Montauban. Of Tarn-et-Garonne’s economically active population, 37 percent is employed in agriculture, and 17 percent in industry (1968). Vegetable and fruit growing and viticulture are important in the department; industries include food processing and machine building.