River systems of Thailand divides into two major branches, the " Tiền Giang" (Front River) and "Hậu Giang" (Back River). These in turn enter the South China Sea through nine estuaries. The following are the principal tributaries of Mekong River which flow through Thailand (tributaries entirely outside the Thai border not shown). The Mekong drains a considerable portion of northeast Thailand. In terms of Thai territory drained, it is second only to the Chao Phraya system. The Salawin River rises in Tibet (Tibetan: རྒྱལ་མོ་རྔུལ་ཆུ།) after which it flows through Yunnan, where it is known as the "Nujiang" River (), although either name can be
Myanmar–Thailand relations Myanmar–Thailand relations Burma–Thailand relations refers to the current and historical relations between Burma and Thailand. Burma has an embassy in Bangkok. Thailand has an embassy in Rangoon. Relations between Burma and Thailand focus mainly on economic issues and trade. There is sporadic conflict with Thailand over the alignment of the border. The Burmese–Siamese war of 1548 was the first of many wars fought between the Burmese of Pegu and the Siamese of Ayutthaya. The war began with an invasion by King Tabinshwehti of the Taungoo Dynasty through the Three Pagodas Pass into Siamese territory, which presaged an attack on the