Khao Khlang Nok
Khao Khlang Nok is a large Dvaravati-period Buddhist stupa located just outside the ancient walled town of Si Thep in Si Thep District, Phetchabun Province, Thailand. Part of Si Thep Historical Park and the UNESCO World Heritage Site 'The Ancient Town of Si Thep and its Associated Dvaravati Monuments' inscribed in 2023, it dates to the 7th-8th century. Built of laterite and brick, it is regarded as the largest Dvaravati stupa in Thailand and a key example of early Buddhist architecture.