Located in Poland and Established on May 26, 1940.
The complex had 3 main camps called Auschwitz 1, 2(Birkenau), and 3 and about 51 sub camps.
The subs camps conditions were much worse than of those in the 3 main camps.
They used prisoners mainly the Jews for forced labor.
The camps consisted of Jews, Roma, Poles, and soviet soldiers.
The camps included gas changers, and killing centers.