Schwarze Au () is a river of

Schleswig-Holstein Schleswig-Holstein (; ; ; ; ; occasionally in English ''Sleswick-Holsatia'') is the Northern Germany, northernmost of the 16 states of Germany, comprising most of the historical Duchy of Holstein and the southern part of the former Duchy of S ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

. It flows into the

Bille Bille may refer to: *Bille (given name) *Bille (surname) *Bille (Elbe), a river in Germany *Billé, a French commune *Bille (noble family), a Danish noble family *Bille tribe The Bille Kingdom, located in Rivers State, Nigeria, is an Ijaw cla ...

Aumühle Aumühle () is a municipality in Schleswig-Holstein in northern Germany, about 21 km (14 mi) east of Hamburg. Its Friedrichsruh district is home to the family estate and mausoleum of Otto von Bismarck. Geography Aumühle lies on the ...

See also