Danube-Auen National Park on both land and water, and other invertebrates, the total number of species in Donau-Auen National Park is estimated to be at least 5,000. Danube-Auen National Park Donau-Auen National Park () covers 93 square kilometres in Vienna and Lower Austria and is one of the largest remaining floodplains of the Danube in Middle Europe. The German word Aue (variant Au) means "river island, wetland, floodplain, riparian woodland", i.e. a cultivated landscape in a riparian zone. The words Aue and Au occur in a large number of German place names—including Donau, the German word for the Danube River—and refer to forests,
The Blue Danube followed by a three-minute coda. The Blue Danube is scored for the following orchestra: Woodwinds Brass Percussion Strings The Beautiful Blue Danube was first written as a song for a carnival choir (for bass and tenor), with rather satirical lyrics (Austria having just lost the war with Prussia). The original title was also referring to a poem about the Danube in the poet Karl Isidor Beck's hometown, Baja in Hungary, and not in Vienna. Later Franz von Gernerth wrote new, more "official-sounding" lyrics: The specifically Viennese sentiment associated with Strauss's melody has made it an unofficial Austrian national anthem. The