 The largest municipalities in the area are on the island of Jolo.The larger island of Palawan to its north, the coastal regions of the westward-extending Zamboanga Peninsula of Mindanao, and the north-eastern part of the island of Borneo were formerly parts of the thalassocratic Sultanate of Sulu.The archipelago is the home of the indigenous Tausug people; various group of Samal (or Sama) people including the semi-nomadic Badjaw; the land-based Sama; the related Yakan people; and the Jama Mapun people.