Dubrovnik was declared a Unesco World Heritage Site in 1979. Dubrovnik, a city steeped in history, has always been connected to the sea. Built on marine trade, it developed into one of Europe's most important seaports, at one point rivalling Venice. The sea's significance is seen in numerous facets of Dubrovnik's culture. Dubrovnik is unmistakably distinctive, with gorgeous architecture, an appealing pedestrian old town, and majestic ocean vistas.