Dubrovnik is a Croatian city on the Adriatic Sea coast in the extrem e south of Dalmatia, positioned at the terminal end of the Isthmus of Dubrovnik. It is one of the most prominent tourist destinations on the Adriatic, a seaport and the center of Dubrovnik-Neretva county. Its population was 43,770 in 2001 down from 49,728 in 1991. In 1979, the city of Dubrovnik joined the UNESCO list of World Heritage Sites.