Hérouville-en-Vexin
Hérouville-en-Vexin (, literally Hérouville in Vexin; before 2017: Hérouville) is a commune in the Val-d'Oise department in Île-de-France in northern France. See also Château d'Hérouville Communes of the Val-d'Oise department References External links Official website Association of Mayors of the Val d'Oise Communes of Val-d'Oise