The remains of the fortress can be visited
Kaliakra Fortress

The Kaliakra Fortress, majestically situated on a cape along the northern Bulgarian Black Sea coast, bears witness to the turbulent history of the Dobrudzha region. Its strategic position made it an important stronghold and a coveted location for various cultures and empires over centuries.
History+
The origins of Kaliakra Fortress date back to the 4th century BC, when the Thracians erected the first fortifications here, naming the site Tirisis. Later, the Romans took over the complex, referring to it as Akra. Under Byzantine rule, it became known as Akres Kastelum. In the Middle Ages, the fortress received its current name, Kaliakra, and in the 13th century, under Despot Dobrotiza, it rose to become the capital of a Bulgarian principality. The fortress was the scene of numerous conflicts, including the naval Battle of Kaliakra in 1791, where an Ottoman fleet was defeated by Russian warships.
Location+
Kaliakra Fortress is located on Cape Kaliakra, near the village of Balgarevo in the municipality of Kavarna, Dobrich District, Bulgaria. It stands at an elevation of approximately 41 meters above sea level, prominently jutting into the Black Sea.
On site+
Today, visitors can explore the impressive remains of Kaliakra Fortress. The site is open to the public, offering insight into the long and eventful past of this strategically important location.
Nearby+
- Ancient City of Yailata (Ancient Buildings), approx. 10.2 km away
- Ancient City of Bisone (Ancient Buildings), approx. 10.9 km away
- Aladzha Monastery (Religious Building), approx. 37.8 km away
- Euxinograd Palace (Palace), approx. 41.6 km away
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Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: Original author and uploader was IvanGeoPetrov at bg.wikipedia / CC BY 2.5 via Wikimedia Commons
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 43.3666, 28.4655