Cilaos is a town and commune on the French island of Réunion in the Indian Ocean. It is located centrally on the island, in a caldera of altitude 1,214 m. The caldera is also named for the community.
Wikipedia https://en.wikipedia.org/wiki/Cilaos
Address 62 Rue du Père Boiteau, Cilaos 97413, Réunion
Coordinates -21°8'7.08" N 55°28'15.96" E