Mindanao is the second largest and easternmost island in the Philippines. It is also one of the three island groups in the country, along with Luzon and Visayas. Historically, the Island was also known as Gran Molucas or Great Mollucas.
The island group of Mindanao is an arbitrary grouping of islands in the southern Philippines which encompasses six administrative regions. These regions are further subdivided into 25 provinces, of which only four are not on Mindanao island itself. The island group includes the Sulu Archipelago to the southwest, which consists of the major islands of Basilan, Jolo, and Tawi-Tawi, plus outlying islands in other areas such as Camiguin, Dinagat, Siargao, Samal,The Limunsudan Falls, is the Highiest water falls in the phillipines located at Iligan City. It has an Approximate Height of 800 ft.
Zamboanga Peninsula (Region IX), formerly Western Mindanao, is located in the landform of the same name. It consists of the provinces of Zamboanga del Norte, Zamboanga del Sur, Zamboanga Sibugay, and three cities—Zamboanga City;Pagadian City and Isabela City—which are independent of any province. Isabela City is the only territory not on Mindanao island itself and is a part of Basilan. The region's administrative capital is Zamboanga City and the whole region used to be a single province named Zamboanga.
Northern Mindanao (Region X) consists of the provinces of Bukidnon, Camiguin, Lanao del Norte, Misamis Occidental, Misamis Oriental, Cagayan de Oro City, and Iligan City. The province of Camiguin is also an island just of the northern coast. The administrative center and capital of the region is Cagayan de Oro City.