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,
Foreign relations of Brunei as close military relations with the latter island-state. Aside from relations with other ASEAN states, of which the Philippines, Indonesia, and Malaysia are key partners, Brunei also has extensive relations with the Islamic and Arab world outside its region. Brunei became a member state of the United Kingdom Commonwealth in 1984, ASEAN, the United Nations and the Organisation of Islamic Cooperation) in 1984, the Organisation of Islamic Cooperation, a major player in BIMP-EAGA in 1994., a founding member of the World Trade Organization (WTO) in 1995, Since 2009 Brunei and the Philippines signed a memorandum of understanding (MOU) that seeks