Montauban is a commune in the southern French department of Tarn-et-Garonne. It is the capital of the department and lies 50 kilometres nor…Montauban is a commune in the southern French department of Tarn-et-Garonne. It is the capital of the department and lies 50 kilometres north of Toulouse. Montauban is the most populated town in Tarn-et-Garonne, and the sixth most populated of Occitanie behind Toulouse, Montpellier, Nîmes, Perpignan and Béziers. In 2019, there were 61,372 inhabitants, called Montalbanais. The town has been classified in the French Towns and Lands of Art and History network since 2015.