The name the ancients gave to two distinct regions, the one Cisalpine Gaul, on the Roman side of the Alps, embracing the N. of Italy, as long inhabited by Gallic tribes; and the other Transalpine Gaul, beyond the Alps from Rome, and extending from the Alps to the Pyrenees, from the ocean to the Rhine, inhabited by different races; subdued by Julius Caesar 58-50 B.C., and divided by Augustus into four provinces.