uncertain dated fortification

These are fortified sites with discoveries dated in the Dacian period, but the exact date for the construction of the defences is unknown (they could be a reuse of earlier structures)
Biborțeni — The Fortress of Tiburț
Bixad — Vápa-vára
Boroșneu Mic — The Badger’s Fortress
Olteni — The Maiden’s Fortress
Racu — The Rich Hill
Sânzieni — Perkő