"The king of the rivers of Europe"
The rising river : from the Black Forest to Passau. Through the Black Forest and Swabia ; Through Bavaria
The blue Danube : Passau to Bratislava. Through Linz and upper Austria ; Through Vienna and lower Austria ; Through the Burgenland to Slovakia
Into the Balkans : Bratislava to Belgrade. Bratislava and the Slovak-Hungarian borderlands ; Through the Hungarian uplands ; Budapest and the heart of Hungary ; Through the former Yugoslavia
Gorge, plain, and delta : from Belgrade to the Black Sea. Eastern Serbia and the gorges ; Touching Bulgaria ; Through eastern Romania ; The delta and the Black Sea.
