Sainte-Rose is a commune on the east coast of the French island and department of Réunion.
Wikipedia

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.
Wikipedia