Saint-Denis is a city and commune in the north suburbs of Paris, France. Saint-Denis is a sub-prefecture of the Seine-Saint-Denis departement, and is the seat of the Arrondissement of Saint-Denis. It is in the Île-de-France region. Inhabitants of Saint-Denis are called Dionysiens.
Saint-Denis is home to the Saint Denis Basilica. France's national football stadium, Stade de France, built in 1998 for the Football World Cup is in Saint-Denis.
Saint-Denis used to be an industrial suburb, but its reconverting its economic base.