Island (pop., 2000 : 2,377,588) and (with adjacent islets) province, central Philippines. It is 139 mi (224 km) long and about 20 mi (32 km) wide, with an area of 1,707 sq mi (4,421 sq km). Its chief city is Cebu City. A mountain chain extends its entire length. It is separated from Bohol Island by Bohol Strait and from Negros Island by Tanon Strait. Visited by Ferdinand Magellan in 1521, it was occupied by the Spanish in 1565. It is one of the Philippines' most densely populated islands; it produces coal and copper.