Mézières-sur-Couesnon (, literally Mézières on Couesnon; ; Gallo: Maézierr) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France. Geography Mézières-sur-Couesnon is located northeast of Rennes and south of Mont Saint-Michel. As its name indicates, it is situated on the Couesnon River. The bordering communes are Saint-Ouen-des-Alleux, Saint-Marc-sur-Couesnon, Saint-Jean-sur-Couesnon, Saint-Aubin-du-Cormier, Gahard, and Vieux-Vy-sur-Couesnon. Population Inhabitants of Mézières-sur-Couesnon are called Mézièrais in French. See also Communes of the Ille-et-Vilaine department References External links Geography of Brittany The page of the commune on infobretagne.com Communes of Ille-et-Vilaine