Montbarla (; Languedocien: Montvarlan) is a commune in the Tarn-et-Garonne department in the Occitanie region in southern France. Geography The Petite Barguelonne forms all of the commune's north-western and western borders, then flows into the Barguelonne, which forms all of the commune's southern border. See also Communes of the Tarn-et-Garonne department References Communes of Tarn-et-Garonne