Thailand , Thailand is the 50th-largest country by total area. It is slightly smaller than Yemen and slightly larger than Spain. Thailand comprises several distinct geographic regions, partly corresponding to the provincial groups. The north of the country is the mountainous area of the Thai highlands, with the highest point being Doi Inthanon in the Thanon Thong Chai Range at above sea level. The northeast, Isan, consists of the Khorat Plateau, bordered to the east by the Mekong River. The centre of the country is dominated by the predominantly flat Chao Phraya river valley, which runs into the Gulf of Thailand.
Inthawichayanon a grandson of "Prince Khamfan", the 3rd ruler of Chiangmai. He was concerned about the preservation of the mountain forests in the Thai highlands. Before he died he ordered that his remains be kept at Doi Luang, the highest mountain of the Thanon Thong Chai Range, which was renamed Doi Inthanon after his death. In 1883, a rumour that Queen Victoria of Great Britain intended to adopt his daughter, Dara Rasmi, spread from Burma to Chiangmai and Bangkok, alarmed Siamese government of British desire in Lanna. The Siamese King sent his brother, Prince Prince Bijitprijakara, to Chiangmai to forward the