The Journées du Patrimoine are back in Paris and Île-de-France. In the Hauts-de-Seine region, the town of Boulogne-Billancourt is offering a rich program of visits and events for the weekend of September 21 and 22, 2024. Discover the program in detail!
The town of Boulogne-Billancourt celebrates July 14 with a firemen's ball to mark the Fête Nationale. Join us on Saturday July 13, 2024 to enjoy the festivities.
The Boulogne-Billancourt Christian Granger Half Marathon returns on Sunday November 26, 2023. Get your shoes ready for 21km and discover the city of Hauts-de-Seine from top to bottom!
