Wat Prasat, Nonthaburi (Thai: วัดปราสาท, RTGS: Wat Prasat, pronounced [wát prās̄āth]), commonly known in English as the Temple of Prasat, Nonthaburi and officially as Wat Prasat, Nonthaburi, is considered the oldest temple in Nonthaburi. Located on (ถนนบางกรวยทรายน้อย), Bang Krang Sub-district is a temple with a gable design and a door arch of the Ubosot in Ayutthaya, Wat Prasat can be seen from the ubosot in the , which is that both side walls have no windows in front, with a castle-shaped door decorated with stucco patterns, behind only a small light hole. Wat Prasat was built in the reign of King Prasat Thong. Wat Prasat is now over 400 years old. Inside the temple have the oldest paintings in Nonthaburi and is registered as a national historic site, this temple is registered as a Nati