Koh Ker or Chok Gargyar, as it is known in Old Khmer inscriptions, is a 10th-century temple complex and former capital of the Khmer Empire, situated in Preah Vihear, a northern part of Cambodia.
The densely forested site containing a total of 169 archaeological remains, including 76 temples, as well as civil structures, ponds, dykes, and ancient roads, is located centrally between three other Cambodian World Heritage Sites – Preah Vihear, Angkor, and Sambor Prei Kuk.
Cambodia has so far registered Angkor Archaeological Site, Preah Reach Troap Dance (Royal Ballet); Lakhon Sbek Thom (big shadow puppet); the 11th-century Preah Vihear Temple; Teanh Prot (tug-of-war), a popular recreational game; Chapei Dang Veng (a Cambodian two-stringed, long-necked guitar); Sambor Prei Kuk temple complex; Lkhon Khol Wat Svay; and Kun Lbokator on the World Heritage List.