Wat yai chai mongkhon is a Buddhist temple in Ayutthaya, ThailandHistoryThe monastery was constructed by King U-Thong to accommodate the monks that were ordained by Phra Wanratana Mahathera Burean. This monastery was named "Wat Pakaew".Afterwards, Phra Wanratana of Wat Pa Kaew suggested to King Naresuan the Great to build a Chedi (pagoda). He decided to construct a large Chedi in this monastery. This monastery became known as Wat Yai Chiamongkhon.Wihan PhraphutthasaiyatWihan Phraphutthasaiyat was constructed in the reign of King Naresuan the Great for religious adoration and royal meditation. The Buddha Image was restored in 2508 B.E,according to a publication of the Wat.Wat Yai Chai MongkhonThe ubosot and vihara have their rear sections extended through the gallery. The satellite stupas of varied structural forms and contemporary with the main stupa are lined up outside the gallery.Phra Chedi ChaimongkhonKing Naresuan the Great had an order to construct this Chedi as the memorial for his victory over King Maha Uparacha of Burma.The Ubosatha HallThe Uposatha Hall is the main hall for Sangha . It is used to hold important religious ceremonies. It was first built by King U-thong who proclaimed this as the royal monastery of the forest order.