Lopburi is a historical city located in central Thailand, known for its rich cultural heritage and ancient ruins. It was once the capital of the Khmer Empire and features several important archaeological sites, including the Phra Prang Sam Yot temple, which is famous for its monkey population. The city is also home to the Lopburi Monkey Festival, where locals celebrate the monkeys that inhabit the area. Visitors can explore the charming streets, enjoy local cuisine, and experience the unique blend of history and nature that Lopburi offers.