The article analyzes the activities of the centers of National Socialist documentation in Germany. They introduce the German public to the history of the Nazi regime. They are engaged in preserving the memory of his victims and are conducting research in this area. Leading centers NS-documentation centers are located in Munich, Cologne, Dresden.  In addition to the centers, numerous memorials and museums are engaged in preserving historical memory. They contain information about prisoners of concentration camps. Red Army soldiers who were captured by the Germans, about the graves of Soviet citizens in Germany.  With the help of photographs, documents and texts, as well as film projections, mass media, the Centers demonstrate how the Nazi state functioned, its policy of isolation and persecution, as well as what measures it used to ensure broad support of the population. Museum expositions and exhibitions tell about selected biographies of criminals, their accomplices and victims, as well as people who resisted the regime, shed light on their motives and opportunities for action. A special place in the educational activities of the modern memorial space in Germany is occupied by Grafeneck Castle, where the center of the forced euthanasia program "T-4", named after "Operation Tiergartenstrasse 4", was located.