Muang Boran Bueng Kok Chang,
Sawang Arom District, Uthai Thani Province

From the architecture of the remaining ruin in the amncient city Muang Boran Bueng Kok Chang, the recovery of stone inscriptions in the Mon language, stone tools, ornaments and beads, it can be deduced that this was a Dvaravati period settlement.

Source: Tourist Authority of Thailand (TAT) onsite information