Croatia-Dubrovnik-5 Published May 2, 2017 at 735 × 405 in Croatia-Dubrovnik-5 The city of Dubrovnik, Croatia sits on the Adriatic Sea and joined the UNESCO list of World Heritage Sites in 1979. The city of Dubrovnik, Croatia sits on the Adriatic Sea and joined the UNESCO list of World Heritage Sites in 1979. ← Previous Next →