Alba Carolina Fortress is a fortress with bastions type Vauban built in the early eighteenth century in the medieval town of Alba Iulia on Citadel Hill , serving as a fortification to defend strategic Habsburg military efforts against the Ottoman Empire and strengthening local Habsburg power.
Alba Carolina Fortress is a fortress with bastions type Vauban built in the early eighteenth century in the medieval town of Alba Iulia on Citadel Hill , serving as a fortification to defend strategic Habsburg military efforts against the Ottoman Empire and strengthening local Habsburg power.