According to legend, this temple came about as a promise made by two wartime survivors during the Ayutthaya period. When then-Ayutthaya fought against Burma, many refugees fled their homes and many of the elderly and women hid in the most sacred prayer room of this temple. Two sisters promised to renovate and rebuild the temple if they survived-and indeed, Ayutthaya’s enemies were later vanquished, and the temple rebuilt. The most important part of this ancient temple is a brick ordination hall with a curved base. It has a single entrance, and is named Bot MahaUt. The ancient style terracotta tiled roof, whose beams were made of logs and twin sandstone boundary markers, add to the authentic feel of the site. In front of the temple next to the Tha Chin River is also a fish sanctuary, full of striped catfish. It is well known among visitors who usually come to visit and feed the fish. Wat Nang Sao is located in TambonTha Mai. Take Highway No. 35 (Thon Buri-Pak Tho) to Highway No. 3091 for approximately 5 kilometers and turn left into SoiWat Nang Sao 2 for 1 kilometer. The temple is open from 6.00 am-5.00 pm daily.