LAVINIUM, in Ancient Geography, a town of Latium, six miles to the east of Laurentum, according to an ancient map; so named from Lavinia, consort of Aeneas, and daughter of King Latinus, and built by the Trojans. The first town of Roman original in Latium, and the seat of the Dii Penates, (Livy): situated near the river Numicus, or Numicius; between which and the Tiber Aeneas landed, according to Virgil. Holstenius supposes the town to have stood on an eminence, now called il Monte de Levano.