Domica is the biggest cave in the Slovak Karst in southern Slovakia, Roznava District. It is a part of the cave complex that continues into the cave Baradla (Aggtelek) in Hungary. It was discovered in 1926 by Jan Majko. Since 1932, 1,600 metres (5,200 ft) of the 5,140 metres (16,860 ft) are open to public. The cave is included in the UNESCO World Heritage list since 1995 as a part of Caves of Aggtelek Karst and Slovak Karst site.