Rome was sited in Etruscan territory .
At its maximum extent during the foundation period of Rome and the Roman kingdom , it flourished in three confederacies of cities : of Etruria , of the Po valley with the eastern Alps , and of Latium and Campania .
Rome was sited in Etruscan territory .
At its maximum extent during the foundation period of Rome and the Roman kingdom , it flourished in three confederacies of cities : of Etruria , of the Po valley with the eastern Alps , and of Latium and Campania .