In the North, Khon Kaen and Chaiyaphum provinces keep in touch with the southern province of prachin buri, Nakhon nayok and dealing with SA kaeo. East to buriram province and West to saraburi, Lopburi and Chaiyaphum.
The contact with medium and Khon Kaen, south-facing Prachin Buri, Nakhon Nayok and SA Kaeo, East contact with RAM And the West with the Chaiyaphum and Lopburi Province