Government Complex Commemorating His Majesty the King’s 80th Birthday Anniversary, 5 December, BE 2550 (2007) (This a complex of Thai Government buildings on Chaeng Watthana Road, Thung Song Hong Subdistrict, Lak Si District, Bangkok. The complex was built in commemoration of King Bhumibol Adulyadej’s 80th birthday. The complex construction project started in 2005 and was completed in 2008. Its opening ceremony was held on 17 February 2010.

The 349-rai (929,800 m2) land on which the complex sits belongs to the Treasury Department, Ministry of Finance. The complex is administered by Dhanarak Asset Development or DAD, a state enterprise attached to the Treasury Department.