Dubrovnik was once known as former Republic while today is perceived as the most desirable tourist destination of Croatia. During the 14th and 15th century, Dubrovnik was the most meaningful maritime trade centre on the Adriatic among Venice and Ancona. That was the main cause for its wealth and success as a Republic. Along many cultural sights, visitors can also enjoy in the inexplicable natural beauty. The entire town is surrounded by ancient walls and towers long 1940 m which once served as a shield against opponents, whereas today it attracts tourists worldwide.