| 1. | The municipality was established on 1 January 2017 by merger of the former communes of Arrou (the seat), Boisgasson, Châtillon-en-Dunois, Courtalain, Langey and Saint-Pellerin. La commune nouvelle est née du regroupement le 1er janvier 2017 des communes Arrou, Boisgasson, Châtillon-en-Dunois, Courtalain, Langey et Saint-Pellerin. |