His Majesty the King's 80th Birthday Anniversary, 5 December 2007 Sports Complex (Thai: สนามกีฬาเฉลิมพระเกียรติ 80 พรรษา 5 ธันวา 2550) is a multi-use sports facility in Nakhon Ratchasima, Thailand, that was built for the 2007 Southeast Asian Games which coincided with the 80th birthday of King Bhumbol Adulyadej, hence the name of the venue.