In the "arrondissement" of Gex, there are 3 cantons whose "communes" are in the "arrondissement": Gex (7 "communes"), Saint-Genis-Pouilly (4 "communes") and Thoiry (16 "communes"). The canton of Bellegarde-sur-Valserine has 1 "commune" in the "arrondissement" of Belley, 2 in Gex and 11 in the "arrondissement" of Nantua.