Saint-Denis is the préfecture of the French overseas region and department of Réunion, in the Indian Ocean. It is located at the island's northernmost point, close to the mouth of the Rivière Saint-Denis. Wikipedia
Saint-Denis is a commune in the northern suburbs of Paris, France.
Réunion Island, a French department in the Indian Ocean, is known for its volcanic, rainforested interior, coral reefs and beaches. Its most iconic landmark is Piton de la Fournaise, a climbable active volcano standing 2,632m (8,635 ft.). Piton des Neiges, a massive extinct volcano, and Réunion?s 3 calderas (natural amphitheaters formed by collapsed volcanoes), are also climbing destinations.