Ayutthaya was the old capital of Thai kingdom for 417 years. It boasts numerous magnificent ruins. Such ruins indicate that Ayutthaya was one of Indochina's most prosperous cities. Ayutthaya Historical Park has been included in UNESCO list of World Heritage since December 13, 1991.

Attractions
Wat Mahathat was the temple where the Lord of Buddha’s relics were enshrined.
Wat Phra Sri Sanphet was the temple which used for the ceremonies of the royal families.
Wat Yai Chaimonkol is the temple where the big Chedi(one kind of pagodas), which built to be the monument of the victory after Burmese, located.
Bang Pa-In Summer Palace is a fine example of royal retreat which is famous for the grand architectures from various countries.