Latium

Ancient area in west-central Italy, originally  limited to the territory around the Alban Hills, but extending by about 500 Bc  south of the Tiber River as far as the promontory of Mount Circeo. It was bounded on the northwest by Etruria, on the southeast by Campania, on the east by Samnium, and on the northeast by the territory of the Sabini, Aequi, and Marsi. The modern region of Lazio extends farther to include the entire coastal plain between the Fiora River in the north and Garigliano River in