Bulgaria (Russian: Булга́рия, tr. Bulgariya) was a class 785/OL800 Russian river cruise ship (built in Komárno, Czechoslovakia) which operated in the Volga-Don basin. On 10 July 2011, Bulgaria sank in the Kuybyshev Reservoir of the Volga River near Syukeyevo, Kamsko-Ustyinsky District, Tatarstan, Russia, with 201 passengers and crew aboard when sailing from the town of Bolgar to the regional capital, Kazan. The catastrophe led to 122 confirmed deaths (bodies recovered and identified).The sinking of Bulgaria was Russia's worst maritime disaster since 1986, when the SS Admiral Nakhimov collided with a cargo ship and 423 people died.