L'Île-Saint-Denis

L'Île-Saint-Denis is a commune covering an entire island formed by the Seine River, located within the Saint-Denis area of the Paris metropolitan region. The territory is surrounded by water on all sides, creating a distinct residential space with its own boundaries and character.

This area formed by combining several islands that existed separately, including Saint-Denis, Saint-Ouen, des Vannes, and Châtelier. The merger of these distinct parts shaped the current layout and created what is now a single municipality.

The name comes from its location on an island in the Seine, and the place reflects how a diverse population lives and shares daily life here. You experience this mix through local gatherings, neighborhood events, and the everyday interactions between people from different backgrounds.

The area is easily reached by the RER line D at the nearby Saint-Denis station, and trams and buses service the island regularly. For visitors, using public transportation is the practical way to get around the island and explore its neighborhoods.

The island became home to facilities built for the Summer Olympics, bringing new infrastructure and purpose to the area. This connection to a major global sports event was unexpected for such a small community and raised its visibility in the region.

Location: canton of Saint-Denis-Sud

Location: Seine-Saint-Denis

Location: arrondissement of Saint-Denis, Seine-Saint-Denis

Location: Grand Paris

Elevation above the sea: 28 m

Shares border with: Asnières-sur-Seine, Gennevilliers, Villeneuve-la-Garenne, Argenteuil, Épinay-sur-Seine, Saint-Ouen-sur-Seine, Saint-Denis

Phone: +33149221100

Email: mairie@lile-saint-denis.fr

Website: https://lile-saint-denis.fr

GPS coordinates: 48.93583,2.33972

Latest update: December 13, 2025 14:03