Marta, Lazio

Marta is a "comune" (municipality) in the Province of Viterbo in the Italian region Latium, located about northwest of Rome and about northwest of Viterbo.
Marta borders the following municipalities: Capodimonte, Montefiascone, Tuscania, Viterbo.
Marta is on the southern shore of Lake Bolsena near the source of the Marta River.