The oldest settlements, Iron Age hut villages, appear to have risen long before the eighth century B.C.E., on the Roman hills around what was once a depression by an ancient ford of the river Tiber.
Sealsed vanimad asulad, rauaaegsed hurtsikkülad, kerkisid Rooma küngastele Tiberi jõe kunagise koolme alale ilmselt ammu enne kaheksandat sajandit e.m.a.