02
History & Heritage
From U Thong to World Heritage
Ayutthaya rose where the Chao Phraya, Lopburi, and Pa Sak rivers meet — a fertile plain and a trade crossroads that, through the twentieth to twenty-third Buddhist centuries, made the city one of Asia’s great markets. People lived here before the capital: chronicles place the great stucco Buddha of Wat Phanan Choeng in 1324 (B.E. 1867), proof of a community already large enough to raise a giant image. In 1350 (B.E. 1893), King Ramathibodi I (King U Thong) founded Krung Si Ayutthaya as the political centre, binding kin cities such as Lopburi and Suphan Buri into one realm.
For 417 years the capital flourished under thirty-four kings from five dynasties, until the fall under King Ekkathat in 1767 (B.E. 2310) sent Siam’s centre south to Thonburi and then Bangkok. The heart was an island ringed by three rivers and a city wall — first earth under U Thong, later brick under King Maha Chakkraphat — about 12.5 kilometres around, five metres thick and six high, with sixteen gun forts and a web of gates that tradition counts at ninety-nine. Ayutthaya was designed as a water city: older channels kept, north–south canals cut straight to drain monsoon flood, and more than thirty bridges — wood, brick, laterite, chain, and drawbridges — stitching temple, palace, and house islands together while farmland beyond the walls drank from the same river net.
Kings ruled as head of the land; princes and nobles held royal towns and vassal states in their name. King Borommatrailokkanat’s reforms split military and civil power — Samuha Kalahom and Samuha Nayok — and set the four civil pillars (Chatusadom): capital, palace, treasury-and-trade, and agriculture — a frame that lasted through the Ayutthaya age. Society ran through nai (lords), phrai (commoners bound to a patron and owed six months’ corvée, or a sūai payment in its place), and that (slaves kept for life). Rice fed the realm and the export ships; the court’s Phra Khlang monopoly and harbour offices (Krom Tha — right for the Western trade, left for the East, later a middle office for Europeans) made Ayutthaya both shipper and middleman. Inside and outside the walls, some four water markets and about seventy-two land markets moved everyday goods and the specialties of each quarter.
Ties ran to Burma, Mon, Khmer, Lao, Viet, and Malay worlds — kinship, trade, and war — and farther to China, Japan, India, and Persia. The Portuguese arrived first under Ramathibodi II; Spain, Holland, England, and France followed for commerce and mission, bringing fort design, firearms, and new science while the court balanced one power against another. Foreign villages usually stood outside the walls; Chinese, Hindu, and some Muslim communities closer to the palace were allowed inside. After the fall, brick from Ayutthaya helped build Rattanakosin. King Mongkut began restoring the old city; in 1908 (B.E. 2451) King Chulalongkorn reserved the island as public land and charged Phraya Boranratchathanin with survey and excavation. Monument registration, the Ayutthaya Historical Park (1982 / B.E. 2525), and UNESCO inscription on 13 December 1991 (B.E. 2534) sealed what travellers walk today — about 4,810 rai of protected island heritage.