Borneo is the 3 largest island in the world...the island is very popular to a tourist that like diving , jungle trakking and borneo is the best place for the eco-tourism. borneo is divide to 4 part... sabah ,sarawak of malaysia, brunei and kalimantan indonesia... the are many island in borneo and its is very beautiful.. if you like eco-tourism... this is the best place to go...