Buriram Stadium, known for sponsorship purposes as Chang Arena is a 32,600-seat football stadium in Buriram, Thailand. The stadium is the home of Thailand's 2011, 2013, and 2015 treble champions, Buriram United. Chang Arena is the largest club-owned football stadium in Thailand. Its nickname is "Thunder Castle", the fifth castle of Buriram Province. The stadium's current capacity is 32,600 seated. It opened in June 2011.