Boulogne-Billancourt

Boulogne-Billancourt is a commune in the western suburbs of Paris, France. It is located 8.2 km from the centre of Paris. Boulogne-Billancourt is a subprefecture of the Hauts-de-Seine department and the seat of the Arrondissement of Boulogne-Billancourt. With an average household income of €28,742, Boulogne-Billancourt is the wealthiest among French communes of more than 100,000 inhabitants, followed by Paris.