Canton of Guer The canton of Guer is an administrative division of the Morbihan department, northwestern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Guer.[1] It consists of the following communes:[1] Allaire Augan Béganne Beignon Carentoir Cournon Les Fougerêts La Gacilly Guer Monteneuf Peillac Porcaro Réminiac Rieux Saint-Gorgon Saint-Jacut-les-Pins Saint-Jean-la-Poterie Saint-Malo-de-Beignon Saint-Martin-sur-Oust Saint-Perreux Saint-Vincent-sur-Oust Théhillac Tréal References ^ a b "Décret n° 2014-215 du 21 février 2014 portant délimitation des cantons dans le département du Morbihan | Legifrance". Retrieved 2017-07-11. Cantons of the Morbihan department Auray Gourin Grand-Champ Guer Guidel Hennebont Lanester Lorient-1 Lorient-2 Moréac Muzillac Ploemeur Ploërmel Pluvigner Pontivy Questembert Quiberon Séné Vannes-1 Vannes-2 Vannes-3 47°55′N 2°07′W / 47.91°N 2.12°W / 47.91; -2.12