Auschwitz Auschwitz was a series of 3 camps. The first camp was known as Auschwitz 1. It was the main camp and the first to be made in 1940. It was continuously expanded by forced labor. It was mainly a concentration camp. But it also had a gas chamber and crematorium. Auschwitz 2 was known as Biirkenau, also. It’s construction started in October 1941. It had the largest Prisoner Population. It was divided by electrical fences into 9 different sections. It is guarded by SS guards and dogs. There were sections for women, men, Roma’s, and their families deported from the Therisienstodt Ghetto. It was mainly an extermination camp. Auschwitz 3 was the least known o