[1] The fortress was built by the Ottoman Kapudan Pasha, Uluç Ali Reis, in 1572/3, shortly after the Battle of Lepanto.
[1] The fortress was captured by the Russians on 10 April 1770, during the Russo-Turkish War of 1768–1774 and the Russian-inspired Orlov revolt in Greece, after a six-day siege, and the Ottoman garrison was allowed to evacuate to Crete.
[1][2] The Ottoman-Egyptian garrison remained in the fortress until it was handed over to the French troops of the Morea expedition under General Nicolas Joseph Maison in October 1828.
[2] The two most important bastions, the so-called "Seventh" (Έβδομο) and that of "Santa Maria", face towards the sea and cover the harbour.
[2] The citadel is connected with the "Seventh" via a long southern wall, the so-called "Great Bough" (Μεγάλη Βέργα).