| Arnara | |
| Official Name: | Comune di Arnara |
| Coordinates: | 41.5833°N 36°W |
| Region: | Lazio |
| Province: | Frosinone (FR) |
| Frazioni: | Colle Orso, Costa Grande, Sterparo |
| Mayor: | Massimo Fiori |
| Area Total Km2: | 12.29 |
| Population Footnotes: | [1] |
| Population Total: | 2299 |
| Population As Of: | 28 February 2017 |
| Elevation M: | 250 |
| Saint: | St. Sebastian |
| Day: | January 20 |
| Postal Code: | 03020 |
| Area Code: | 0775 |
Arnara is a comune (municipality) in the Province of Frosinone in the Italian region Lazio, located about 80km (50miles) southeast of Rome and about 6km (04miles) southeast of Frosinone.
Arnara borders the following municipalities: Ceccano, Frosinone, Pofi, Ripi, Torrice. Sights include the medieval castle.
Arnara is situated at 250 meters above sea level on the low hills of the Sacco Valley, the last foothills of the Ernici mountains. Within the municipal territory flows the Fosso d'Arnara, a small tributary on the left of the Sacco River, and the more southern Fosso Meringo, also a small left tributary of the Sacco.
