The "arrondissement" of Périgueux is bordered to the north by the "arrondissement" Nontron, to the east by the Corrèze department, to the southeast by the "arrondissement" Sarlat-la-Canéda, to the south by the "arrondissement" Bergerac, to the west by the Gironde and Charente-Maritime departments and to the northwest by the Charente department.