What is the importance of Auschwitz in the biography, Adolf Hitler?

Auschwitz is the largest concentration and death camp, and is located in the Government-General area of occupied Poland. Millions of Jews, Slavs and others are both gassed here and worked to death. Other infamous concentration camps and death camps incude Maidenak, Bergen-Belsen and Buchenwald. Inmates are often immediately executed, but in other cases they work until their strength is exhausted.