The Preah Palilay is small a Buddhist Sanctuaire located in the perimeter of Angkor Thom. It is in an wooded area which has as a name Pârillyaka, from where undoubtedly the name of Palilay. It completion XIII {{E}} or beginning date of the 14th century.

Preah Palilay is composed of a terrace in cross, a central sanctuary and enclosing wall. The central sanctuary is a 20 height m pyramidal tower on which cheese-making push. Many scenes of the life of Bouddha are reproduced on the pediments.