After breakfast, embark on the journey to the UNESCO HERITAGE - Ancient City of Ayutthaya. The ancient capital of Thailand. It was founded in 1350 CE, Ayutthaya was the Kingdom of Thailand's capital until the 18th century. Pay visit to Bang Pa In Palace, it is also known as the Summer Palace, is a palace complex formerly used by the Thai kings. The original Palace was built by King Prasat Thong of Ayutthaya in the first half of the 17th century. When Ayutthaya was invaded and destroyed by the Burmese in 1767, Bang Pa-In Palace was left abandoned for almost a century. After that, continue to visit the Ayutthaya Historical Park that covers the ruins of the old city of Ayutthaya. One of it is Wat Phra Mahathat, Thailand, was a royal Temple of the Ayutthaya Kingdom. It is one of the oldest and most significant temples in the history of Ayutthaya. Wat Phra Si San Phet, which was used as a model for the Temple of the Emerald Buddha, was built in 1492 CE in the grounds of the former royal palace. Wat Yai Chai Mongkol, an ancient royal monastery, is one of the most important temples in Ayutthaya province. In the evening, back to Bangkok and have a shopping and dinner on own at Platinum Mall, the busiest fashion wholesale complex in Bangkok.