Saint-Denis can refer to several places and entities, most notably a suburb of Paris, France, known for its historical significance and the famous Basilica of Saint-Denis, where many French kings are buried. This area is also recognized for its vibrant culture and diverse population. Additionally, Saint-Denis is the name of various other locations around the world, including cities in Canada and the Caribbean. It can also refer to notable individuals, such as Saint Denis, a Christian martyr and the patron saint of France, celebrated for his contributions to early Christianity.