Madeira Islands

Also called  Funchal Islands,  Portuguese  Arquipélago Da Madeira,   archipelago of volcanic origin in the North Atlantic Ocean, belonging to Portugal and comprising two inhabited islands, Madeira and Porto Santo, and two uninhabited groups, the Desertas and the Selvagens. The islands are the summits of mountains that have their bases on an abyssal ocean floor. Administratively they form the autonomous region of Madeira. The islands