Concentration camp Auschwitz-I (main camp):
Parts of the camp are now state-owned Polish museum or memorial. Since June 27, 2007, a total carries most of the former concentration camp Auschwitz in the list of UNESCO World Heritage Site, the official name "Auschwitz-Birkenau - German Nazi Concentration and Extermination Camp". The SS internal acronym in the era of National Socialism was Auschwitz (KL = concentration camps). The numbering of parts warehouse has been used mainly in the postwar period a clear distinction between the three different parts of the Auschwitz concentration camp. At times they were within the administration, the abbreviation for the three main camp.