Domica is the biggest cave in the Slovak Karst in southern Slovakia, Rožňava District. It is a part of the cave complex that continues into the cave Baradla (Aggtelek) in Hungary. It was discovered in 1926 by Ján Majko. Since 1932, 1,600 metres (5,200 ft) of the 5,140 metres (16,860 ft) are open to public.