Wat San Chao Thong or the "Monastery of the Shrine of Chao Thong" was located
on Ayutthaya's city island outside the Historical Park in Pratu Chai sub-district.

There are no traces anymore visible of the monastery above ground level. Historical data
about the monastery and its construction are unknown.

mid-19th century map shows Wat San Jao Thong south of an unidentified monastic
structure and west of
Wat Jingjok, north of a former brick road being an extension of
Chinese Street. On the opposite side of the street stood
Wat Kot (วัดกด). The
monastery bears on this map the name Wat San Jao Thung (วัดสารเจ้าทุง).

This location does not match with
Phraya Boran Rachathanin's (PBR) map drafted in
1926, which indicates this temple on the west bank of
Khlong Chakrai Noi. Wat Pa Nai  
was on its north; Wat Jingjok stood on its east on the opposite bank of the canal and
Wat Phra Ngam was in the south.

PBR indicated Wat San Jao Thong as a monastery, but there are indications this could
have been a Chinese shrine.
Text & maps by Tricky Vandenberg - March 2010
Reviewed February 2011
(Extract of a begin-20th century map)
(Extract of a mid-19th century map)