Boulogne-Billancourt
Boulogne-Billancourt (French pronunciation: [bulɔɲ bijɑ̃kuʁ]; often colloquially called simply Boulogne, until 1924 Boulogne-sur-Seine, [bulɔɲ syʁ sɛn]) is a wealthy and prestigious commune in the western suburbs of Paris, France, located 8.2 km (5 mi) from the centre of Paris. It is a subprefecture of the Hauts-de-Seine department and thus the seat of the larger arrondissement of Boulogne-Billancourt. It is also part of the Métropole du Grand Paris. Boulogne-Billancourt includes one island in the Seine: Île Seguin.
Boulogne-Billancourt | |
|---|---|
Subprefecture and commune | |
La Seine Musicale on Île Seguin in the Seine | |
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Coat of arms | |
Paris and inner ring departments | |
Location of Boulogne-Billancourt | |
Boulogne-Billancourt Boulogne-Billancourt | |
| Coordinates: 48°50′07″N 2°14′27″E | |
| Country | France |
| Region | Île-de-France |
| Department | Hauts-de-Seine |
| Arrondissement | Boulogne-Billancourt |
| Canton | Boulogne-Billancourt-1 and 2 |
| Intercommunality | Grand Paris |
| Government | |
| • Mayor (2020–2026) | Pierre-Christophe Baguet (LR) |
| Area 1 | 6.17 km2 (2.38 sq mi) |
| Population (2021) | 119,808 |
| • Density | 19,000/km2 (50,000/sq mi) |
| Time zone | UTC+01:00 (CET) |
| • Summer (DST) | UTC+02:00 (CEST) |
| INSEE/Postal code | 92012 /92100 |
| Elevation | 28–40 m (92–131 ft) |
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Boulogne-Billancourt is one of the wealthiest regions in the Parisian area and in France. Formerly an important industrial site, it has successfully reconverted into business services and is now home to major communication companies headquartered in the Val de Seine business district.