Prasat Andet is located about 27 kilometers northwest of Provincial Town of Kampong Thom, in Prasat Village, Sankor Commune, Kampong Svay District, Kampong Thom Province. The temple was built in second half of 7th century (627-707) during the reign of king Jayavarman I to dedicate to God Hirihara, in Kampong Preah style and made of brick with masonry, laterite and sandstone. Prasat Andet had isolated plan, built on a 5.30-meter height artificial hill, and was form in rectangular shape with 7.50-meter length, 5.50-meter width and 1-meter thick (interior to exterior). It was facing to the East. The lintel of Prasat Andet was carved in the garlands and carefully done in the traditional khmer style.