LOPBURI A province in the central region of Thailand, Lop Buri Province is located approximately 154 kilometers north of Bangkok. Covering an area of 6,199 square kilometers, the province is situated on the western end of the Khorat Plateau. It borders Chaiyaphum and Nakhon Ratchasima Provinces on the east, Phetchabun and Nakhon Sawan Provinces on the north, Sing Buri, Ang Thong, Ayutthaya and Saraburi Provinces on the South. Lop Buri Province is one of several provinces in central Thailand where many significant historical artifacts and prehistoric settlements have been discovered.