The Free State's boundaries are defined almost entirely by rivers; the Orange River as its southern boundary; the Vaal River on the west and north; and the Caledon River on the east.
The Free State's boundaries are defined almost entirely by rivers on the east. The Free State's boundaries are defined almost entirely by the Orange River as its southern boundary on the east. The Free State's boundaries are defined almost entirely by the Vaal River on the west and north on the east. The Free State's boundaries are defined almost entirely by the Caledon River on the east.