Salween River much of its length, the Salween's course is nearly parallel to that of the much larger Mekong in the east. Although the commonly accepted name is Salween, the river is known by a handful of other names regionally: "Nu" in China, "Thanlwin" in southern Burma, and "Salawin" on the border of Thailand and Burma. Several major sub-continental drainage basins border on the Salween. The Mekong basin forms nearly the entire eastern boundary of the watershed, while the Irrawaddy River flows southwards on the west side of the basin. The smallest boundary is formed by the Yangtze to the extreme north.
Indonesia–Thailand border Indonesia–Thailand border Indonesia and Thailand share a common maritime border in the northern part of the Straits of Malacca and the Andaman Sea to the north-east of Indonesia's Sumatra Island and to the west of the western coastline of southern Thailand. The maritime boundary runs between the India-Indonesia-Thailand tripoint in the north, and the Indonesia-Malaysia-Thailand tripoint in the south. The border was delimited through four agreements, with two involving third parties India and Malaysia as they determined trijunction points with those countries. Four boundary delimitation agreements are the Indonesia-Thailand continental shelf boundary delimitation agreement of 17 December 1971; the Indonesia-Malaysia-Thailand