Mon or the ancient palace area On the north side of Wat Phra Kaew and almost adjacent to the northern city wall. Inside, there is a rectangular moat. In the middle is a square pool called the Round Pool. After excavating the pool, this area Laterite and found fragments of roof tiles are everywhere. As well as finding various types of pottery fragments including Chinese wares and chinaware from Sukhothai It is assumed that this area is the palace of the ruler of Kamphaeng Phet during the Ayutthaya period, which is made of wood. Causing no visible traces of the current