| Ertij Fort | |
|---|---|
| Vayots Dzor Province, Armenia | |
 The fort of Ertij upon a hill in Arpi. | |
  Ertij Fort | |
| Coordinates | 39°43′49″N 45°16′07″E / 39.7304139°N 45.2686417°E |
| Type | Fortress |
| Site information | |
| Open to the public | Yes |
| Condition | Some walls remain. |
| Site history | |
| Built | 13th century |
| Materials | Stone |
Ertij is a fort built during the 13th century. It is situated upon a hill adjacent to the village of Arpi in the Vayots Dzor Province of Armenia. Nearby in the gorge carved by the Arpa River is the cave shrine of Jrovank.