The "arrondissement" is bordered to the north by the Cantal (Auvergne-Rhône-Alpes) department, to the east by the Lozère (Occitanie) department, to the southwest and to the south by the "arrondissement" of Millau, and to the west by the Tarn (Occitanie) department and by the "arrondissement" of Villefranche-de-Rouergue.