The province was created during the Ayutthaya period, with its administrative center located at Prapadaeng. It was the sea port of Siam, and was secured with forts, town moats and town-walls. King Rama II starting the building of the new center at Samut Prakan in 1819, after his predecessor King Taksin had disbanded the town fortification. Altogether six forts were built on both sides of the Chao Phraya river, and on an island in the river the pagoda Phra Samut Chedi was erected. These were involved in the Paknam incident of July 13, 1893, which ended the Franco-Siamese War with a French naval blockade of Bangkok. Of the original six forts only two still exist today, Phi Sua Samut and Phra Chulachomklao
