The following is a list of the 21 cantons of the Val-d'Oise department, in France, following the French canton reorganisation which came into effect in March 2015: Argenteuil-1 Argenteuil-2 Argenteuil-3 Cergy-1 Cergy-2 Deuil-la-Barre Domont Ermont Fosses Franconville Garges-lès-Gonesse Goussainville Herblay-sur-Seine L'Isle-Adam Montmorency Pontoise Saint-Ouen-l'Aumône Sarcelles Taverny Vauréal Villiers-le-Bel References