Mae Sai subdistrict

Mae Sai (แม่สาย) is a tambon (subdistrict) of Mae Sai District, in Chiang Rai Province, Thailand. In 2020 it had a total population of 30,338 people.

History
The subdistrict was created effective November 8, 1936 by splitting off 7 administrative villages from Pong Pha.

Central administration
The tambon is subdivided into 13 administrative villages (muban).

Local administration
The area of the subdistrict is shared by 2 local governments.
 * the subdistrict municipality (Thesaban Tambon) Mae Sai (เทศบาลตำบลแม่สาย)
 * the subdistrict municipality (Thesaban Tambon) Mae Sai Mittraphap (เทศบาลตำบลแม่สายมิตรภาพ)