Arcobara (castra)

Arcobara (previously identified as Arcobadara ) was a fort in the Roman province of Dacia in the 2nd and 3rd centuries AD. It was unearthed in the village Ilişua (commune Uriu, Romania) in 1978. The fort was garrisoned by Ala I Tungrorum Frontoniana. On the site 27 stone ballista projectiles were discovered of diameters between 7 and 13.5 cm and weighing up to 2 kg indicating the presence of ballistarii.