Volsinii

Volsinii or Vulsinii, is the name of two ancient cities of Etruria, one situated on the shore of Lacus Volsiniensis, and the other on the Via Clodia, between Clusium and Forum Cassii. The latter was Etruscan and was destroyed by the Romans in 264 BC following an attempted revolt by its slaves, while the former was founded by the Romans using the remainder of the Etruscan population rescued from the razed city.

Modern Bolsena, Italy, in the region of Lazio, descends from the Roman city. The location of the Etruscan city is debated. Umbrian Orvieto, about 14 km from Bolsena, is a strong candidate.

Source: Wikipedia