Arrondissement of Mortagne-au-Perche
The arrondissement of Mortagne-au-Perche is an arrondissement of France in the Orne department in the Normandy region. It has 151 communes. Its population is 88,162 (2016), and its area is . Composition. The communes of the arrondissement of Mortagne-au-Perche, and their INSEE codes, are: History. The arrondissement of Mortagne-au-Perche was created in 1800, disbanded in 1926 and restored in 1942. At the January 2017 reorganisation of the arrondissements of Orne, it gained 49 communes from the arrondissement of Argentan and one commune from the arrondissement of Alençon, and it lost  five communes to the arrondissement of Alençon. As a result of the reorganisation of the cantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements. The cantons of the arrondissement of Mortagne-au-Perche were, as of January 2015: