Phra Nakhon Si Ayutthaya, commonly known locally as Ayutthaya, is the capital of Phra Nakhon Si Ayutthaya province in Thailand. It lies on an island at the confluence of the Chao Phraya and Pa Sak rivers. Ayutthaya was the capital of the Ayutthaya Kingdom and, between the 14th and 18th centuries, grew into one of the world's largest cities and a major hub of diplomacy and commerce, before its destruction during the Burmese invasion of 1767.

Today, Ayutthaya is a major centre of cultural tourism, while the surrounding area forms part of Thailand's industrial and transport corridor north of Bangkok; its historic core is protected as the Ayutthaya Historical Park, a UNESCO World Heritage Site.

Etymology The city's formal name at its founding was Krung Thep Dvaravati Si Ayutthaya, a title carrying profound historical and cosmological significance. Krung Thep () translates to "City of Angels" or the "Abode of Celestial Beings," reflecting the capital's status as a divine center. Dvaravati () refers to the ancient civilization that flourished in the Chao Phraya River basin between the 6th and 11th centuries CE, asserting Ayutthaya as its rightful successor. Ayutthaya () is derived from Sanskrit (Ayodhya), the invincible city of Rama in the Hindu epic Ramayana (adapted as the Thai national epic, Ramakien). Following the foundation of Bangkok in 1782, King Rama I initially adopted this same ceremonial title for the new capital to symbolize its continuity from Ayutthaya.

In the name Phra Nakhon Si Ayutthaya (), the word (from Khmer: preah ព្រះ) is a prefix denoting royalty or divinity, while (from Pali: nagara) signifies an important or capital city.

History

Ayutthaya was officially founded in 1351 by King Uthong, who went there to escape a smallpox outbreak in Lopburi and proclaimed it the capital of his kingdom, often referred to as the Ayutthaya Kingdom or Siam. Archaeological and written evidence has revealed that Ayutthaya was inhabited as early as the late 13th century, before the arrival of Uthong. Further evidence of this can be seen with Wat Phanan Choeng, which was founded in 1324.

Ayutthaya became the second Siamese capital after Sukhothai. Early Western accounts describe Ayutthaya as a "noble" and "wealthy" city. In the late Ayutthaya period, European visitors described it as among the world's wealthiest and most cosmopolitan cities. It is estimated that by the year 1600, Ayutthaya had a population of about 300,000, with the population perhaps reaching 1,000,000 around 1700, making it one of the world's largest cities at that time,George Modelski, World Cities: –3000 to 2000, Washington DC: FAROS 2000, 2003. . See also Evolutionary World Politics Homepage . a period during which UNESCO describes Ayutthaya as flourishing into one of the world's largest and most cosmopolitan urban areas and a center of global diplomacy and commerce.

In 1767, the city was destroyed by the Burmese army, resulting in the collapse of the kingdom. The ruins of the old city are preserved in the Ayutthaya Historical Park, which is recognised internationally as a World Heritage Site. The ruins, characterised by the prang (reliquary towers) and gigantic monasteries, give an idea of the city's past splendour.

Modern Ayutthaya was refounded a few kilometres to the east. Although the former royal capital never regained its previous political prominence, the area remained inhabited and gradually developed into a provincial capital. Over time, conservation and archaeological work concentrated on the ruined core of the old city, while the modern urban centre expanded beyond the island. Today, Ayutthaya's historic monuments and cultural landscape continue to shape the city's identity and economy, particularly through heritage tourism and religious pilgrimage.

Population Since 2005, the population of Ayutthaya has been declining.

Estimation date31 Dec 200531 Dec 201031 Dec 201531 Dec 2019Population55,09754,19052,94050,830

Geography The city is located about north of Bangkok, at the confluence of the Chao Phraya, Lopburi and Pa Sak rivers, and on the main north–south railway linking Chiang Mai to Bangkok. The old city is on an island formed by a bend of the Chao Phraya on the west and south sides, the Pa Sak on the east side and the Klong Muang canal on the northern side.

Urban Planning and Canal System

Ayutthaya is geographically characterized as an island city surrounded by three major rivers: the Lopburi River to the north, the Pa Sak River to the east, and the Chao Phraya River to the south and west. The city's layout demonstrates sophisticated hydraulic engineering and urban planning, featuring an extensive network of man-made canals excavated for transportation, flood drainage, and domestic water supply. According to UNESCO, Ayutthaya was characterized by a systematic city-planning grid of roads, canals, and moats, supported by an extremely advanced hydraulic water-management system during the Ayutthaya period. During this period, the city was sometimes known as the "Venice of the East".

The internal canal system consisted of three primary north-south arteries that served as the backbone of the city's functional zones:

Khlong Chakai Yai (Khlong Tho): Located in the western part of the island, this canal played a vital role in administration and governance. It bordered the Grand Palace, with archaeological evidence indicating a sophisticated water diversion system that fed palace reservoirs, such as Sa Kaeo and Sa Rakhang, as well as the moats surrounding the Banyong Rattanaat Throne Hall. Khlong Pratu Khao Pluak (Khlong Pratu Chin): Traversing the center of the island city, this waterway served as the primary link to the religious heart of the capital. It passed through major temple complexes, including Wat Mahathat and Wat Ratchaburana, which functioned as the spiritual and educational centers of the kingdom. Khlong Nai Kai (Khlong Makham Riang): Situated in the east, this canal was the principal economic and commercial artery. It connected key international trading districts, such as the Chinese quarter (Nai Kai and Sam Ma districts) and the maritime markets near Pom Phet fortress, where foreign merchants and local artisans converged for trade.

The synergy between the surrounding natural rivers and the internal canal network established Ayutthaya as a major international port city, shaping its political, religious, and socio-economic landscape for centuries.

Climate Ayutthaya, located in the central plains, is affected by three seasons:

Hot Season: March – May Rainy season: June – October Cool season: November – February

Ayutthaya city sites

Notable cultural sites NamePictureBuiltSponsor(s)Notes Wat Yai Chai Mongkhon 1357 King Ramathibodi I One of the most famous temples in Ayutthaya Wat Mahathat 1374 King Borommaracha I Wat Chai Watthanaram 1630 King Prasat Thong One of the most famous temples in Ayutthaya Wat Phanan Choeng 1324 Wat Phra Si Sanphet 1350 King Ramathibodi I Wihan Phra Mongkhon Bophit c. 1637 (restored c. 1742/20th century, on multiple occasions) King ChairachathiratKing Borommakot Restored once or twice in the 18th century. Reduced to ruins after the Fall of Ayutthaya in 1767. Restored in the 20th century. Wat Na Phra Men 1503 King Ramathibodi II One of the best preserved temples to survive after the Fall of Ayutthaya in 1767. Restored during the reign of Rama III ( 1824–51). Wat Ratchaburana 1424 King Borommarachathirat II Wat Pradu Songtham Under royal patronage from King Songtham ( 1611–28) until the fall of Ayutthaya in 1767 King Uthumphon entered the monkhood at this temple following his forced abdication in 1758 Wat Lokaya Sutharam 1452 King Intharacha Wat Phra Ram 1369 King Ramesuan Wat Phutthaisawan Before 1350 King Ramathibodi I Built before Ayutthaya was founded Chedi Phukhao Thong c. 1569, 1587 (rebuilt in 1744) King (then-Prince) NaresuanKing Borommakot Built to commemorate a battle victory following Ayutthaya's liberation from Burma in 1584 Wat Thammikarat Before 1350 King of Lavo Built before Ayutthaya was founded Wat Kudi Dao 1711 or earlier Prince, later King Borommakot A good example of 18th-century Late Ayutthaya wat architecture. Partially restored.

Museums

Ayutthaya Historical Study Centre: A research-oriented museum and interpretation centre focusing on the history, urban development, and archaeology of Ayutthaya. It provides background information on the Ayutthaya Kingdom and serves as an educational hub for both scholars and the general public. Chao Sam Phraya National Museum: A national museum established to house and display high-value artifacts excavated primarily from Wat Ratchaburana and Wat Mahathat. Its collections include Buddhist relics, gold regalia, jewellery, votive tablets, and sculptures from the Ayutthaya period, as well as later historical periods.

Other tourism sites

Wang Luang Wat Suwan Dararam Ratchaworawihan St. Joseph's Church Baan Hollanda Japanese Village

The Ayutthaya Night Market offers a plethora of shopping opportunities, including a wide variety of food, clothing, and handicrafts. Visitors can enjoy traditional Thai dishes such as pad Thai, mango sticky rice, and tom yum soup, as well as a range of international cuisine. The market is also famous for its impressive array of souvenirs, including handmade bags, jewelry, and textiles. The atmosphere is lively and energetic, with street performers, music, and colorful lights adding to the festive ambiance.

Khlong Sabua is a floating market in Ayutthaya; it is more popular with Thai tourists than foreign travellers. The main attraction is a Water Theatre featuring live performances of Thai folk tales and musicals.

Transport

Ayutthaya is accessible by air and rail.

Air The closest airport is Bangkok's Don Mueang International Airport, a hub for regional budget carriers. An elevated walkway connects Terminal 1 to the Don Muang Train Station, where Ayutthaya-bound trains regularly roll through.

Rail Trains to Ayutthaya leave Bangkok's Hua Lamphong Station approximately every hour between 04:20 am. and 10:00 pm. The 3rd class fare is 20 baht for the 1.5 hour trip. Train schedules are available from the information booth at Hua Lamphong Station, Bangkok.

Government The city municipality of Ayutthaya is a thesaban nakhon which covers 10 tambon in Phra Nakhon Si Ayutthaya Province. The legislative body, the Ayutthaya City Municipal Council, is composed of 24 councillors elected every four years. The executive body consists of five executives and is headed by the mayor. The current mayor of Ayutthaya city is Dr. Somsong Sappakosonlakul.

Education Ayutthaya Wittayalai School and Chomsurang Upatham School are the principal secondary schools located in Ayutthaya city.

Phranakhon Si Ayutthaya Rajabhat University and Rajamangala University of Technology Suvarnabhumi are the two universities located in the city proper.

Culture

Literature The Ayutthaya period is considered a formative era for Thai literature, characterized by the development of diverse poetic forms such as klong (), chan (), and lilit (). Early works were primarily religious or ceremonial, such as the Lilit Ongkan Chaeng Nam (Incantation of the Water of Allegiance).

The reign of King Narai (1656–1688) represented a major literary peak, during which the first Thai textbook, Chindamani (), was produced to formalize the language against increasing foreign influence. Other significant courtly works from this era include the epic poem Lilit Phra Lo and the development of nirat (travel poetry), which merged romantic themes with observations of journeys.