Kaliakra is a long and narrow cape on the Bulgarian northern Black Sea coast, in the southeasternmost part of the Dobrudja Plateau. Located near the villages of Balgarevo and Saint Nikola, 12 km from the town of Kavarna. The medieval fortress of Kaliakra and its adjacent territory and aquatory at the village of Balgarevo is declared an archaeological reserve. There are fortifications of Thracian, ancient, late antique, medieval and Ottoman times.