Borneo is the third largest island in the world and is located at the centre of Maritime Southeast Asia. Administratively, this island is divided between Indonesia, Malaysia and Brunei. Indonesia's region of Borneo is called "Kalimantan" (although Indonesians use the term for the whole island), while Malaysia's region of Borneo is called East Malaysia or Malaysian Borneo. The independent nation of Brunei occupies the remainder of the island. Brunei is the wealthiest state in the island of Borneo.