Saint-Denis, Seine-Saint-Denis

Saint-Denis (, French: [sɛ̃d(ə)ni] ) is a commune in the northern suburbs of Paris, France. It is located 9.4 kilometres (5+7⁄8 miles) from the centre of Paris. Saint-Denis is the most populated suburb of Paris, with a population of 149,077 as of 2023 (geography as of 2025). It is a subprefecture (French: sous-préfecture) of the department of Seine-Saint-Denis, being the seat of the arrondissement of Saint-Denis.