Franconville, Val-d'Oise
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)