High Quality Content by WIKIPEDIA articles! Oesterwurth is a municipality in the district of Dithmarschen, in Schleswig-Holstein, Germany. Dithmarschen (German pronunciation: [ d tma n], Low Saxon pronunciation: [ d tma n ], archaic in English: Ditmarsh) is a district in Schleswig-Holstein, Germany. It is bounded by (from the north and clockwise) the districts of Nordfriesland, Schleswig-Flensburg, Rendsburg-Eckernförde, and Steinburg, by the state of Lower Saxony (district of Stade, from which it is separated by the Elbe river), and by the North Sea.