Borneo is an island, the third largest island in the world, located at the center of Indonesia. Borneo is considered part of the geographic region of Southeast Asia.

Borneo is surrounded by the South China Sea to the west and northwest, the Sulu Sea to the northeast, the Celebes Sea and the Makassar Strait to the east, and the Java Sea and Karimata Strait to the south.

It is divided politically into:

To the west of Borneo are the Malay Peninsula and Sumatra. To the south is Java. To the northeast are the Philippines.\n