Luzon is the largest and most important island of the Philippines. It is one of the three primary geographical divisions of the Philippines.
The Visayas island group is located in the central area of the Philippine archipelago. It consists of seven large islands and several hundred smaller islands clustered around the Visayan, Samar, and Camotes seas.
The Mindanao island group is grouping of islands in southern Philippines which is comprised of the Mindanao mainland, the Sulu Archipelago.