The temple at Phnom Chisor is constructed of brick and laterite with lintels and doorways of sandstone; the complex dates from the 11th century when it was known as Suryagiri. It was built by King Suryavarman I.

Suryavarman I (Narvanapala la) was king of the Khmer Empire from 1010 to 1050. After the reign of Udayadityavarman I; which ended around 1000; there was no clear successor. Two kings; Jayaviravarman and Suryavarman I; both claimed the throne. After nine years of war; Suryavarman I won the throne. Suryavarman I was a Buddhist.