If traveling on the road 64 from the National Road 6 point Sot District, Siem heading north towards the District Siem then proceed to Kulen district, Preah Vihear is located approximately 120 km, given the current administration center of the former capital, located in the village of Koh Ker commune Sroyong, Kulen district, Preah Vihear.

Koh Ker was the capital of old age more than 1,000 years ago. Most of the temple at Koh Ker was built during the reign of Jayavarman 4 in the 10 th century (928-942). Jayavarman 4 has changed the capital from the study Anuradhapura (Angkor) to Koh Ker. The cause of the municipal exchange may be more but they can only know that he is a usurper king's nephew, son of Yasovarman. Construction Ker temple is built is dedicated to a deity named Rufus Kutisvara inscription in English "rare king" a deity or happiness at the cult of holy men. Construction of the west Ker was the capital of the study Anuradhapura (Angkor).