| Marta | |
| Official Name: | Comune di Marta |
| Coordinates: | 42.5333°N 66°W |
| Region: | Lazio |
| Province: | Viterbo (VT) |
| Mayor: | Maurizio Lacchini |
| Area Total Km2: | 33.54 |
| Population Footnotes: | [1] |
| Population Total: | 3247 |
| Population As Of: | 30 September 2017 |
| Population Demonym: | Martani |
| Elevation M: | 315 |
| Postal Code: | 01010 |
| Area Code: | 0761 |
Marta is a Italian: [[comune]] (municipality) in the Province of Viterbo in the Italian region of Latium, located about 80km (50miles) northwest of Rome and about 20km (10miles) 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.[2]