The Costești-Blidaru Dacian fortress is the ruin of a fortified town in the Orăștie Mountains, Romania. Built in the 1st century BC during Burebista's rule, it was one of the most powerful Dacian fortifications, designed to defend the region against Roman expansion [1][2]. The complex features massive stone walls, carved pillars, and strategic watchtowers demonstrating advanced Dacian engineering [2]. Located near Costești village in Hunedoara County, it forms part of the UNESCO World Heritage Site of Dacian Fortresses of the Orăștie Mountains [1][3].
Blidaru Fortress

| Type | Fortress/citadel |
|---|---|
| Period | 500 BC - 1 AD |
| Country | Romania |
| Coordinates | 45.6679° N, 23.1634° E |
Romania