In Sukhothai Kingdom era, Mueang Kosamphi was a satellite city of the frontier city Mueang Chakangrao (Kamphaeng Phet), at same level as Mueang Nakhon Chum, Trai Trueng, Phan, and Phangkha.
In Sukhothai Kingdom era, Mueang Kosamphi was a smaller city associated with the larger town of Mueang Chakangrao (Kamphaeng Phet), on an equal footing with Mueang Nakhon Chum, Trai Trueng, Phan, and Phangkha.