Chavenay, also known as "Vallon de Chavenay", is a commune of the Yvelines "département", of France, close to Saint-Nom-la-Bretèche, Saint-Germain-en-Laye and Versailles.
Chavenay, also known as "Vallon de Chavenay", is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located close to Saint-Nom-la-Bretèche, Saint-Germain-en-Laye, and Versailles.