Kavarna (Bulgarian: Каварна [kɐˈvarnɐ], Greek: Καβάρνα) is a Black Sea coastal town and seaside resort in the Dobruja region of northeastern Bulgaria.

The area around Kavarna offers opportunities for developing ecotourism and specialized tourism — examination and photography of plants, dolphins and various kinds of fish in the coastal waters.

The variety of birds attracts tourists from all parts of the world and contributes to Kaliakra and Yaylata becoming one of the most preferred places in Bulgaria for the development of ornithological tourism.

[5] During its early period, Byzone was home to a mixed population, consisting of Greeks, Thracians, and hybrid Greek-Thracian communities.

[5] By this time, Byzone had grown into an important port and commercial hub, facilitating trade between the local Thracian and Scythian populations and merchants from mainland Greece, Asia Minor, and the Aegean islands.

Goods such as ceramics, bronze vessels, weaponry, wine, and olive oil were imported, while the region exported grain, timber, and raw materials to cities across the Greek world.

Despite being unsuitable for wharfing because of its rugged cliffs, this part of the Bulgarian Black Sea Coast was an attractive centre due to the fact that the local people produced and traded with high quality grain.

The disaster led to the destruction of much of the town, with a large part of its rocky promontory collapsing into the Black Sea's waters.

[5] According to the leader of the finished first part of the underwater archaeological expedition Kavarna 2005, Asen Salkin, the Roman town of Bizone has sunk two times in the sea.

For that evidence the located form skin-divers borders of a sunk residential district of the town of Bizone in Kavarna's coast.

A smaller settlement and port emerged on the site during Roman times, but it never regained its former prominence as a major trade center.

[5] In the 7th century AD the Slavs and Asparuh's Bulgars destroyed the Byzantine town and later founded a new settlement, which entered the First Bulgarian Empire.

The town was considered an economical and cultural centre during Antiquity and the Middle Ages with rich and various remains – stronghold walls, early-Christian basilica, medieval churches, and public buildings.

The other notable performers were mostly legends of German rock and heavy metal music, such as Scorpions, Axel Rudi Pell, Gamma Ray, Masterplan and Destruction.

In 2007, performers included Heaven and Hell, John Lawton Band, Manowar, Motörhead, Robert Plant, and Ronnie James Dio.

The next year saw the return of Manowar within Kaliakra Rock Fest with a 5-hour attempt to set a world record for the longest heavy metal concert.