The Varna Aquarium (Bulgarian: Варненски аквариум, Varnenski akvarium) or Aquarium Varna (Аквариум Варна) is a public aquarium in Varna, Bulgaria's largest city on the Black Sea coast. The aquarium's exhibition focuses on the Black Sea's flora and fauna which includes over 140 fish species, but also features freshwater fish, Mediterranean fish, exotic species from faraway areas of the World Ocean, mussels and algae.