The Mae Fah Luang University Stadium ( Thai สนาม ฟุตบอล มหาวิทยาลัย แม่ ฟ้า หลวง ) is a multi-purpose stadium in Chiangrai in Chiangrai Province , Thailand . It was mainly used for soccer games and was the home stadium of Chiangrai United from 2009 to 2012 . The stadium has a capacity of 3346 people. The stadium is owned and operated by Mae Fah Luang University .