Also known as Wat Bowon, this temple is located at Khao San area. Here is what has been written on the orange signboard: This monastery is a first grade royal temple of Ratchaworawhiharn, which was built in the reign of King Rama III, by Somdet Phra Woraratchao Maha Sakdiphollasept during 1824-1832 and this former name [...]