Mae Hong Son province

Mae Hong Son province (Northern Thai: ᨾᩯ᩵ᩁᩬ᩵ᨦᩈᩬᩁ; Thai: แม่ฮ่องสอน, pronounced [mɛ̂ː.hɔ̂ŋ.sɔ̌ːn]; Burmese: မဲဟောင်ဆောင်; Shan: မႄႈႁွင်ႈသွၼ်; formerly called Mae Rong Son), also spelled Maehongson, Mae Hong Sorn or Maehongsorn, is one of Thailand's seventy-six provinces (changwat). It lies in upper northern Thailand and is the westernmost province. Neighboring provinces are (clockwise from north) Shan State of Myanmar, Chiang Mai and Tak. To the west, the province borders Kayin State and Kayah State of Myanmar.

Mae Hong Son's nickname is "the city of three mists". It is hemmed in by the high mountain ranges of the Shan Hills and is the most mountainous province in Thailand, occupying 12,765 square kilometres (4,929 sq mi). The province is often covered with mist. Mae Hong Son town was originally established in the early 19th century as an elephant training camp as ordered by the then King of Chiang Mai. As of 2012, Mae Hong Son was the poorest province in Thailand.