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
Postage stamps and postal history of Hamburg Postage stamps and postal history of Hamburg This article is about the postage stamps and postal history of Hamburg from the medieval messengers until the entry of the Hamburg Postal Administration into the Northern German Postal District in 1868. After the foundation of the German Hanseatic League in the late Middle Ages, so-called "regulated messenger hauls" were formed, which were used to transport messages from Hamburg via Lübeck, Rostock, Stettin, Danzig, and Königsberg to Riga, as well as via Bremen to Amsterdam and via Celle and Braunschweig to Nuremberg. In 1649, a Danish post office opened in Hamburg. In the