The following is a list of the 17 cantons of the Gers department, in France, following the French canton reorganisation which came into effect in March 2015:
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
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