Lopburi is the caipital ceety o Lopburi Province in Thailand. It is locatit aboot 150 km north-east o Bangkok. As o 2006 it haes a population o 26,500. The toun covers the whole tambon Tha Hin an pairts o Thale Chup Son o Mueang Lopburi district, a total aurie o 6.85 km².