Answer: donau

AnswerCrossword Clue
DONAU

Vienna's river, German style

DONAU

Danube, in Germany

DONAU

The Danube, in Germany

DONAU
What the Viennese call their river.
DONAU
The German Danube.
DONAUWien's river
DONAURiver of Wien
DONAUVienna's river, to Austrians
DONAUBlue river, to Germans
DONAUVienna's river, to natives
DONAUVienna's river, to Strauss
DONAU1910 Kentucky Derby winner
DONAUDanube, to Ludwig