Ayutthaya is a historical city in Thailand, founded in 1350. It served as the capital of the Kingdom of Siam for over 400 years and was a major trading hub in Southeast Asia. The city is known for its impressive ruins, which showcase a blend of Thai, Khmer, and European architectural styles. Today, Ayutthaya is a UNESCO World Heritage Site, attracting visitors who come to explore its ancient temples and palaces. Notable sites include the Wat Phra Si Sanphet and Wat Mahathat, where the famous Buddha head entwined in tree roots can be found.