Saint-Denis, Réunion
Saint-Denis 
    Sin-Dni (Reunionese Creole)  | |
|---|---|
Prefecture and commune  | |
From top, left to right: Panoramic view of the city from the heights of Bellepierre; cannons at the Barachois waterfront; Saint-Denis Cathedral; Palais de la Source, seat of the departmental council; Saint-Denis's historic Hôtel de Ville and Victory Column; La Réunion's Natural History Museum; city center and Indian Ocean in the evening.  | |
Location of Saint-Denis  | |
| Coordinates: 20°52′44″S 55°26′53″E / 20.8789°S 55.4481°E | |
| Country | France | 
| Overseas region and department | Réunion | 
| Arrondissement | Saint-Denis | 
| Canton | 4 cantons | 
| Intercommunality | Nord de la Réunion | 
| Government | |
| • Mayor (2020–2026) | Ericka Bareigts (PS) | 
Area 1  | 142.79 km2 (55.13 sq mi) | 
|  • Metro  (2020)  | 547.8 km2 (211.5 sq mi) | 
| Population  (2022)  | 156,149 | 
| • Density | 1,100/km2 (2,800/sq mi) | 
|  • Metro  (Jan. 2021)  | 319,141 | 
| • Metro density | 580/km2 (1,500/sq mi) | 
| Time zone | UTC+04:00 | 
| INSEE/Postal code | 97411 /97400  | 
| Elevation | 0–2,276 m (0–7,467 ft)  (avg. 23 m or 75 ft)  | 
| Website | www | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Saint-Denis (/ˌsæ̃dəˈniː/, French: [sɛ̃ d(ə)ni] ⓘ; Reunionese Creole: Sin-Dni), unofficially Saint-Denis de La Réunion (pronounced [sɛ̃ d(ə)ni də la ʁeynjɔ̃]) for disambiguation, is the prefecture (administrative capital) of the French overseas department and region of Réunion, in the Indian Ocean. It is located at the island's northernmost point, close to the mouth of the Rivière Saint-Denis.
Saint-Denis is the most populous commune in the French overseas departments and the nineteenth most populous in all of France. At the 2021 census, there were 319,141 inhabitants in the metropolitan area of Saint-Denis (as defined by INSEE), 154,765 of whom lived in the city (commune) of Saint-Denis proper and the remainder in the neighbouring communes of La Possession, Sainte-Marie, Sainte-Suzanne, Saint-André, and Bras-Panon.