Geography of Indonesia groups (Nusa Tenggara and the Maluku Islands) and sixty smaller island groups. Four of the islands are shared with other countries: Borneo is shared with Malaysia and Brunei; Sebatik, located off the northeastern coast of Kalimantan, shared with Malaysia; Timor is shared with East Timor; and the newly divided provinces of Papua and West Papua share the island of New Guinea with Papua New Guinea. Indonesia has total land area of , Including of inland seas (straits, bays, and other bodies of water). The additional surrounding sea areas bring Indonesia's generally recognised territory (land and sea) to about 5 million
Indonesia–Malaysia border between the two countries for this segment of their maritime border. The border follows the equidistant line between the baselines of Indonesia and Malaysia and Point 20 is the equidistant point between Indonesia, Malaysia and Vietnam (see table below). Point 20 is the western terminus of the Indonesia-Vietnam continental shelf boundary which the two countries agreed to in 2003 and the easternmost point of the area of overlapping claims between Malaysia and Vietnam. The southern termninus of the continental shelf boundary lies to the east of Pedra Branca which was disputed between Malaysia and Singapore and eventually awarded to Singapore