River systems of Thailand used for the whole river. The river is long. It then leaves China and meanders through Myanmar (where it is known as the "Thanlwin") and Thailand (where it is known as the "Salawin", Thai: สาละวิน) on its way to emptying into the Andaman Sea by Mawlamyaing (Moulmien). The principal tributaries of the Salawin which flow through Thailand are the Moei River and the Pai River. In addition to the Salween River, there are a number of rivers which drain into the Andaman Sea from the west coast of the Malay Peninsula. None of them are extensive enough to be considered
Malaysia–Thailand border the Straits of Malacca and in the Gulf of Thailand/South China Sea. At the western terminus of the land boundary, the 1909 Anglo-Siamese treaty determines the start of the maritime boundary as: The territorial sea boundary agreement between the two countries signed on 24 October 1979 determined the mid-channel point between Langkawi and Tarutao to be at which was made the eastern starting point of the territorial sea boundary. Both countries also have a continental shelf boundary agreement for this segment of their maritime boundary. The agreement, signed 21 December 1978, included Indonesia as a signatory to enable the establishment