Danube-Auen National Park 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, meadows, and wetlands in river and stream lowlands and floodplains. The Danube-Auen National Park protects a large area of lowland forests, meadows, wetlands, and
Source of the Danube what is the spring of the Danube also interested the oceanographer Jacques Cousteau, who in 1987 filmed a documentary about the Danube around St. Martin's Church. For centuries, the two cities Furtwangen and Donaueschingen competed for an official status which declares their own source as the official source of the Danube. The city Furtwangen is located along the upper river Breg, while the city Donaueschingen is located at the symbolic source of the Danube. At times, the issue even involves the government of Baden-Württemberg. After the city council Donaueschingen intervened in 1981, for example, the Ministry of the Interior in