Saint-Denis is a commune in the northern suburbs of Paris, France. It is located 9.4 km from the centre of Paris. Saint-Denis is a subprefecture of the department of Seine-Saint-Denis, being the seat of the arrondissement of Saint-Denis.
Saint-Denis is home to the royal necropolis of the Basilica of Saint Denis and was also the location of the associated abbey. It is also home to France's national football and rugby stadium, the Stade de France, built for the 1998 FIFA World Cup.
Saint-Denis is a formerly industrial suburb currently changing its economic base. Inhabitants of Saint-Denis are called Dionysiens.