Hérouville-en-Vexin

Hérouville-en-Vexin (before 2017: Hérouville)Décret n° 2017-1744 22 December 2017  is a commune. It is in Île-de-France in the Val-d'Oise department in north France.

 References 

Category:Communes in Val-d'Oise