The city has tall, impressive walls, which reflect its establishment as a fortified city in the [[Adriatic Sea]]. After the breakup of [[Yugoslavia]] in 1991, Dubrovnik was heavily bombed by Serb forces. | The city has tall, impressive walls, which reflect its establishment as a fortified city in the [[Adriatic Sea]]. After the breakup of [[Yugoslavia]] in 1991, Dubrovnik was heavily bombed by Serb forces. |