where is borneo on the map
Geography. Covering an area of roughly 287,000 square miles, Borneo is the third-largest island in the world. It is divided into four political regions: Kalimantan belongs to Indonesia; Sabah and Sarawak are part of Malaysia; a small remaining region comprises the sultanate of Brunei.Located southeast of the Malay Peninsula and southwest of the Philippines, Borneo is primarily mountainous, with dense areas of rain forest.t is divided into four political regions: Kalimantan belongs to Indonesia; Sabah and Sarawak are part of Malaysia; a small remaining region comprises the sultanate of Brunei. Located southeast of the Malay Peninsula and southwest of the Philippines, Borneo is primarily mountainous, with dense areas of rain forest.