The largest Nazi concentration camp located in Poland, about 31 miles from Krakow. Auschwitz I was the original concentration camp which served as the administrative center for the entire complex and the site of the deaths of roughly 70,000 people, mostly Poles and Soviet prisoners of war. Auschwitz III (Monowitz) was a labor camp for the factory of the I.G. Farben company. See also Birkenau (Auschwitz II).