the largest Nazi concentration camp complex, located 37 miles west of Krakow, Poland. The Auschwitz main camp (Auschwitz I) was established in 1940. In 1942, a killing center was established at Auschwitz-Birkenau (Auschwitz II). In 1941, Auschwitz-Monowitz (Auschwitz III) was established as a forced-labor camp. More than 100 subcamps and labor detachments were administratively connected to Auschwitz III.