Medieval Bulgarian navy
maritime warfare branch of the medieval Bulgarian Empires' militaries

During most of the Middle Ages the Bulgarians did not maintain naval forces. The first records of Bulgarians ships come from the reign of Khan Omurtag: during his war against the Franks (827-829) he came with ships from the Danube and landed troops in the rear of the Franks.
The first organised Bulgarian navy was built under Emperor Ivan Asen II (1218–1241). It was rather small and included galleys to guard the coast. The Navy's importance increased during the reign of Dobrotitsa and Ivanko in the Principality of Karvuna in the late 14th century. The Bulgarian fleet took part in successful actions against the Genoese and the Turks with its range reaching Crimea and Trebizond.
The main Bulgarian shipyard was situated in the mouth of the Kamchia river due to the abundance of wood and was burned down when the Turks overran the country.
Military actions
Too little is known for the battles and quests of the Navy and the Coast Guard. In 812 Khan Krum used ships to seize several Byzantine fortresses in the Southern Black Sea Coast, most notably Nesebar. Images of these ships have been found depicted on the walls of Pliska and Preslav.
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