San Sai (Thai: สันทราย) is a tambon (subdistrict) of Fang District, in Chiang Mai Province, Thailand.
[1][failed verification] In 2005 it had a population of 11,583 people.
The tambon contains 17 villages.
The subdistrict is the home of Fangchanupathum School.
This Chiang Mai province location article is a stub.