Ekathotsarot or Sanphet III ; 1560 – 1610/11) was the King of Ayutthaya from 1605 to 1610/11 and overlord of Lan Na from 1605 to 1608/09, succeeding his brother Naresuan. His reign was mostly peaceful as Siam was a powerful state through the conquests of Naresuan. It was also during his reign that foreigners of various origin began to fill the mercenary corps. In particular, the king had a regiment of professional Japanese guards under the command of Yamada Nagamasa.
Statue at Wat Pha Mok, Ang Thong
The Ayutthaya Kingdom or the Empire of Ayutthaya was a Mon and later Siamese kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Ayutthaya, in Siam, or present-day Thailand. European travellers in the early 16th century called Ayutthaya one of the three great powers of Asia. The Ayutthaya Kingdom is considered to be the precursor of modern Thailand, and its developments are an important part of the history of Thailand.
Three pagodas of Wat Phra Si Sanphet which house the remains of King Borommatrailokkanat, Borommarachathirat III, and Ramathibodi II
Wat Phra Phutthabat, Saraburi, constructed by King Songtham as a royal pilgrimage site
Wat Chaiwatthanaram, constructed by King Prasat Thong during the Age of Peace and Commerce (1600–1688)
Painting by Johannes Vingboons of Ayutthaya, c. 1665.