Meaning
This flag stands for Réunion, a French overseas island in the Indian Ocean, east of Madagascar, known for the active volcano Piton de la Fournaise.
It turns up in hiking posts from the dramatic mountain cirques, volcano treks, Creole curries called cari, beaches and family news, with 🌋 or 🥾. “Hiked into the cirque of Mafate, no roads at all 🇷🇪🥾”