Ohrtbrookgraben is a small river of

Schleswig-Holstein Schleswig-Holstein (; da, Slesvig-Holsten; nds, Sleswig-Holsteen; frr, Slaswik-Holstiinj) is the northernmost of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Sch ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. It flows into the Pinnau near

Uetersen Uetersen (, formerly known as ''Ütersen (Holstein)'') is a town in the Pinneberg (district), district of Pinneberg, in Schleswig-Holstein, Germany. It is situated approximately south of Elmshorn, and northwest of Hamburg at the small Pinnau Ri ...

See also