The islands are divided into three groups: Luzon, Visayas, and Mindanao. The Luzon islands include Luzon Island itself, Palawan, Mindoro, Marinduque, Masbate and Batanes Islands. The Visayas is the group of islands in the central Philippines, the largest of which are: Panay, Negros, Cebu, Bohol, Leyte and Samar. The Mindanao islands include Mindanao itself, plus the Sulu Archipelago, composed primarily of Basilan, Sulu Island, and Tawi-Tawi.
Physical setting
Terrain of the Philippines
The Philippine archipelago lies in Southeast Asia in a position that has led to its becoming a cultural crossroads - a place where Malays, Hindus, Arabs, Chinese, Spaniards, Americans, and others had interacted to forge a unique cultural and racial blend. The archipelago numbers some 7,107 islands; and the nation claims an exclusive economic zone (EEZ) of 200 nautical miles (370 km) from its shores. The Philippines occupies an area that stretches for 1,850 kilometers (1,150 mi) from about the fifth to the twentieth parallels north latitude. The total land area is slightly more than 300,000 square kilometers (115,831 sq mi). Only approximately 1,000 of its islands are populated, and fewer than one-half of these are larger than 2.5 square kilometers (1 sq mi). Eleven islands make up 95 percent of the Philippine landmass, and two of these — Luzon and Mindanao — measure 105,000 square kilometers (40,541 sq mi) and 95,000 square kilometers (36,680 sq mi), respectively. They, together with the cluster of