The region included three departments, Calvados, Manche and Orne, that cover the part of Normandy traditionally termed “Lower Normandy” lying west of the Dives River, the Pays d’Auge (except a small part remaining in Upper Normandy), a small part of the Pays d’Ouche (the main part remaining in Upper Normandy), the Norman Perche, and part of the “French” Perche. It covers 10,857 km2, 3.2 percent of the surface area of France
