island, one of the Calamian Group (q.v.), west-central Philippines. The island has an area of 150 square miles (389 square km) and is the site of Culion Reservation, a therapeutic community founded in 1906 for the treatment of leprosy (Hansen's disease). Rice and coconuts are grown on the island. Culion, the main settlement, is located on the northeastern coast. Pop. (latest census) 4,785.