Wat Chaiwatthanaram is a restored Buddhist temple on the west bank of the Chao Phraya River across from Ayutthaya Island. In 1991, UNESCO designated the complex a World Heritage Site in Ayutthaya Historical Park. The temple ruin, one of Ayutthaya’s most popular tourist destinations, offers picturesque views that capture the essence of this fascinating place. The site is remarkable for its once-innovative square chedi or stupa(pagodas) with indented corners that are now common structures in contemporary Thai Buddhist temples.