WAT JAO DOK DUA (วัดเจ้าดอกเดื่อ)
Wat Jao Dok Dua or the "Monastery of King Fig Flower" was located off the city
island in the eastern area of Ayutthaya present Phai Ling sub-district, Moo 4.

Wat Jao Dok Dua stood north of
Wat Jaeng (2) and east of Wat Jaeng (1). Wat Jaeng
(1) was located between
Wat Yom Mon and Wat Yom Thai (Wat Thamma Niyom).

There are no visible traces  remaining at ground level unless a brick mound situated under
a house. Locals spoke of a small vihara in situ, but the latter was not found during a  
reconnaissance trip in February 2009.

Its historical background and period of construction are unknown. The monastery could
have been related to King Uthumphon, usually known in Siamese history by the nickname
of King Dok Madua (Uthumphon is the Sanskrit word for "Fig flower"). [1]

There is a location of a former monastery with nearly a similar name,
Wat Jao Fa Dok
Dua, situated a bit south of this place along Khlong Ban Bat in the same sub-district.

The monastery is only mentioned on a Fine Arts Department map drafted in 1993 and is
situated in Geo Coord: +14° 21' 39.52" N, +100° 35' 1.30" E.

References:

[1] A History of Siam - William A.R. Wood (1924) - page 238.
Text by Tricky Vandenberg - February 2009
Reviewed April 2012
(Extract of a 1993 Fine Arts Department map -
Courtesy Khun Supot Prommanot, Director of the 3th
Regional Office of Fine Arts)
(Extract of a 2005 GIS Fine Arts Department map)