The Auvergne-Rhône-Alpes region is the third largest region of Metropolitan France, after Nouvelle-Aquitaine and Occitanie, with an area of . It borders five French administrative regions: Bourgogne-Franche-Comté to the north, Centre-Val de Loire to the northwest, Nouvelle-Aquitaine to the west, Occitanie to the southwest and Provence-Alpes-Côte d'Azur to the southeast. It also borders two countries: Italy to the east and Switzerland to the northeast.