Arrondissement of Montauban
After the reorganisation of the cantons in France, cantons are not subdivisions of the arrondissements so they could have communes that belong to different arrondissements. That is the case of the Beaumont-de-Lomagne, Castelsarrasin, Montech and the Pays de Serres Sud-Quercy cantons where some communes are in the arrondissement of Montauban and others in the arrondissement of Castelsarrasin. The following table shows the distribution of the "communes" in the cantons and arrondissements: