 Its headquarters, originally in Thiers, is now located in the municipality named Saint-Gervais-sous-Meymont.Located between the old Auvergne and Rhône-Alpes regions, the park extends 110 km from north to south, in three departments (Puy-de-Dôme, Allier and Haute-Loire).It's composed of 176 municipalities gathering 103,172 inhabitants in 2014.