Wat Yai Chai Mongkhon Ayutthaya
The monastery was constructed by King U-Thong in 1357 AD to accommodate the monks that were ordained by Phra Wanratana Mahathera Burean. This monastery was named &quot;Wat Pakaew&quot;.

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 in 1592 AD. This monastery became known as Wat Yai Chaimongkhon.
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