Bang Pa-in is a district located in the Phra Nakhon Si Ayutthaya Province of Thailand. It is known for its historical significance and beautiful architecture. The district is home to the Bang Pa-in Palace, also known as the Summer Palace, which was originally built in the 17th century and later restored by King Rama IV in the 19th century. The palace complex features a blend of Thai, Chinese, and European architectural styles, and is surrounded by lush gardens and serene lakes. In addition to the palace, Bang Pa-in is also known for its vibrant local markets, where visitors can sample delicious Thai street food and shop for traditional handicrafts and souvenirs. The district is also home to several ancient temples and shrines, including Wat Niwet Thammaprawat, a unique Buddhist temple that resembles a Gothic church.