Bač Fortress
Bač, Serbia · built 1338
Bač Fortress (Serbian, Bačka tvrđava, Hungarian: Bácsi vár) is a medieval fortress in Vojvodina, Serbia. It is located in the town of Bač, in the Bačka region. Founded by the king Charles Robert I, the fortress was the most important Hungarian rampart against the invading Ottoman forces and today is the best preserved medieval fort in Vojvodina.
Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).