Song Khwae districtSong Khwae is a district in the northwestern part of Nan province, northern Thailand.HistoryThe minor district Song Khwae was established on 1 April 1992 with three tambons split off from Chiang Klang district. It was upgraded to a full district on 11 October 1997.GeographyNeighboring districts are, from the east clockwise, Thung Chang, Chiang Klang and Tha Wang Pha of Nan Province, Pong and Chiang Kham of Phayao province. To the north it borders Xaignabouli province of Laos.AdministrationThe district is divided into three sub-districts, which are further subdivided into 25 villages. Yot is the township and covers tambon Yot. There are a further two tambon administrative organizations.