Definition that contains tyrrhenian sea
- tiber a river of central Italy; flows through Rome to the Tyrrhenian Sea
- lazio an ancient region of west central Italy (southeast of Rome) on the Tyrrhenian Sea
- anzio a town of central Italy on the Tyrrhenian Sea; the Allies established a beachhead at Anzio in World War II
- campania a region of southwestern Italy on the Tyrrhenian Sea including the islands of Capri and Ischia
- ischia a volcanic island (part of Campania) in the Tyrrhenian Sea at the north end of the Bay of Naples
- bay of naples an arm of the Tyrrhenian Sea at Naples
- latium an ancient region of west central Italy (southeast of Rome) on the Tyrrhenian Sea
- tevere a river of central Italy; flows through Rome to the Tyrrhenian Sea