The main islands are (from largest to smallest) Tenerife, Fuerteventura, Gran Canaria, Lanzarote, La Palma, La Gomera and El Hierro. The archipelago also includes a number of islands and islets: La Graciosa, Alegranza, Isla de Lobos, Montaña Clara, Roque del Oeste and Roque del Este. In ancient times, the island chain was often referred to as "the Fortunate Isles". The Canary Islands are the most southerly region of Spain and the largest and most populated archipelago of the Macaronesia region.