Kalimantan is the Indonesian portion of the island of Borneo. It comprises 73% of the island’s area. The non-Indonesian parts of Borneo are Brunei and East Malaysia. In Indonesia, “Kalimantan” refers to the whole island of Borneo.
The Indonesian territory makes up 73% of the island by area, and 69.5% (13,772,543 at the 2010 Census of Indonesia) by population. The non-Indonesian parts of Borneo are of Brunei (400,000) and East Malaysia (5,625,000), the latter comprising the states of Sabah, Sarawak and the federal territory of Labuan. The region within Indonesia is also known as Indonesian Borneo.
Borneo (/ˈbɔːrnioʊ/; Malay: Pulau Borneo, Indonesian: Kalimantan) is the third-largest island in the world and the largest in Asia.[note 1] At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and east of Sumatra.
The island is politically divided among three countries: Malaysia and Brunei in the north, and Indonesia to the south Approximately 73% of the island is Indonesian territory. In the north, the East Malaysian states of Sabah and Sarawak make up about 26% of the island. Additionally, the Malaysian federal territory of Labuan is situated on a small island just off the coast of Borneo. The sovereign state of Brunei, located on the north coast, comprises about 1% of Borneo’s land area. A little more than half of the island is in the Northern Hemisphere including Brunei and the Malaysian portion, while the Indonesian portion spans both the Northern and Southern hemispheres.
Borneo is home to one of the oldest rainforests in the world.
As of the end of August 2019, Indonesian president Joko Widodo announced that there is a plan to move the capital from Jakarta to an unnamed city in Borneo.