The region is populated by the Keltikoi and some Lusitanai resettled there from beyond the Tagus by the Romans .
South West Iberia is delimited by the Tagus river ( to the north of the Sacred Cape ) and the Anas river to the east .
The region is populated by the Keltikoi and some Lusitanai resettled there from beyond the Tagus river by the Romans .
South West Iberia is delimited by the Tagus river ( to the north of the Sacred Cape ) and the Anas river to the east .