Esterwegen is a municipality in the Emsland district, in Lower Saxony, Germany.GeographyEsterwegen lies in northwest Germany, less than from the Dutch border and about from the sea.DemographicsIn 2013 the population was 5,193.GovernmentThe mayor is Hermann Willenborg.Concentration campIn 1933 a concentration camp was established in Esterwegen. In 1936 the camp was dissolved and used till 1945 as a prisoner camp, for political prisoners and later for prisoners of the decree Nacht und Nebel.Notable inmates Julius Leber, politician Carl von Ossietzky, journalist and Nobel Peace Prize Laureate Georg Diederichs, later Minister-President of Lower Saxony Karl Germer, Outer Head of the Order (OHO) of Ordo Templi Orientis