Méry-sur-Oise , literally Méry on Oise] is a commune in the Val-d'Oise department in Île-de-France in northern France. Méry-sur-Oise station has rail connections to Persan, Saint-Leu-la-Forêt and Paris.
Champagne-sur-Oise , literally Champagne on Oise] is a commune in the Val-d'Oise department in Île-de-France in northern France. Champagne-sur-Oise station has rail connections to Persan, Creil, Pontoise and Paris.