Franconville, Val-d'Oise

File:Franconville - Ancienne mairie - Facade est.jpg

The former town hall in Franconville

File:Blason ville fr Franconville (Val-d'Oise).svg

Coat of arms

Franconville is a commune. It is in Île-de-France in the Val-d'Oise department in north France. It is also in the northwestern suburbs of Paris, 17.1 km (10.6 mi) from the center. 37,010 people lived here in 2018.

Twin towns

• Viernheim, Hesse, Germany (since 1966)
• Potters Bar, Hertfordshire, England, United Kingdom (since 1973)