The three largest settlements appear to have been at Nakhon Pathom, Suphanburi, Praak Srigacha, with additional centers at U Thong, Chansen, Khu Bua, Pong Tuk, Muang Phra Rot, Lopburi, Si Mahasod, Kamphaeng Saen, Dong Lakhorn, U-Taphao, Ban Khu Muang, and Sri Thep.