Geography and urban development of Dresden past 60 years has made Dresden the fourth largest urban area in Germany after Berlin, Hamburg, and Cologne. The most important river in Dresden is the Elbe river, the only navigable body of water to flow through the city. There are also a number of tributaries such as the river Weißeritz. The nearest German cities are Chemnitz (80 km to the southwest), Leipzig (100 km to the northwest) and Berlin (200 km to the north). The Czech capital Prague is about 150 km to the south; the Polish city of Wrocław is about 200 km to the east. There are
Port of Hamburg of the river, built in the 1880s as part of the free port and to cope with the growing quantity of goods stored in the port. Hamburg shipyards lost fleets twice after World War I and World War II, and during the partition of Germany between 1945 and 1990, the Port of Hamburg lost much of its hinterland and consequently many of its trading connections. However, since German reunification, the fall of the Iron Curtain and European enlargement, Hamburg has made substantial ground as one of Europe's prime logistics centres and as one of the world's largest and busiest sea