Wat Chaiwatthanaram, built in 1630 by King Prasat Thong in Ayutthaya, Thailand, is a Buddhist temple known for its magnificent Khmer-style architecture. The temple served as a royal site for ceremonies and memorials, symbolizing the Buddhist worldview of the universe, with its central prang representing Mount Meru surrounded by the four continents. It's a major historical and tourist site reflecting the glory of the Ayutthaya Kingdom​.