Indonesia the world, extending from east to west and from north to south. According to the country's Coordinating Ministry for Maritime Affairs, Indonesia has 17,504 islands (16,056 of which are registered at the UN), scattered over both sides of the equator, and with about 6,000 of them are inhabited. The largest are Java, Sumatra, Borneo (shared with Brunei and Malaysia), Sulawesi, and New Guinea (shared with Papua New Guinea). Indonesia shares land borders with Malaysia on Borneo, Papua New Guinea on the island of New Guinea, and East Timor on the island of Timor, and maritime borders with Singapore, Malaysia, Vietnam,
Borders of Malaysia and southeast of the Malaysian coastline. There is also a dispute involving the alleged incursion into Malaysian territorial waters by land reclamation works by Singapore at the western entrance to the Straits of Johor. Borders of Malaysia The borders of Malaysia include land and maritime borders with Brunei, Indonesia and Thailand and shared maritime boundaries with China, Philippines, Singapore and Vietnam. Malaysia has a total land border length of 3,147.3 km. Malaysia's border with Brunei is 481.3 km in length. Except for its coastline with the South China Sea, Brunei is completely surrounded by Malaysia's state of Sarawak on the