Canton of Auch-1 The canton of Auch-1 is an administrative division of the Gers department, southwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Auch.[1] It consists of the following communes:[1] Auch (partly) Barran Le Brouilh-Monbert Lasséran Pavie Saint-Jean-le-ComtalReferences ^ a b "Décret n° 2014-254 du 26 février 2014 portant délimitation des cantons dans le département du Gers | Legifrance". Retrieved 2017-06-21. Cantons of the Gers department Adour-Gersoise Armagnac-Ténarèze Astarac-Gimone Auch-1 Auch-2 Auch-3 Baïse-Armagnac Fezensac Fleurance-Lomagne Gascogne-Auscitaine Gimone-Arrats Grand-Bas-Armagnac L'Isle-Jourdain Lectoure-Lomagne Mirande-Astarac Pardiac-Rivière-Basse Val de Save 43°38′N 0°35′E / 43.64°N 0.58°E / 43.64; 0.58