Q. Which three countries administer Borneo Island?
Answer: Malaysia, Brunei and Indonesia
Notes: Malaysia, Brunei and Indonesia are the three countries that administer the "Borneo Island". Borneo is the third-largest island in the world and the largest in Asia. 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. It is the only island in the world to be politically administered by three countries at a time.