2. <ul><li>The Nazis had approximately 15,000 concentration camps throughout their occupied territories.
3. Not all of them were death camps. Some were just transit or holding camps.
4. In this lesson, we are going to focus on some of the more well known or bigger camps and the people who were held in them. </li></li></ul><li>Auschwitz - Birkenau<br /> - Extermination and labour camp. <br /><ul><li>Poland.
5. Actively used from April 1940 to January 1945.
6. 3 major camps, 51 sub-camps.
7. Major camps: Auschwitz I (Stammlager) or main camp, Auschwitz II (Birkenau), an extermination camp, and Auschwitz III (Monowitz) a work camp. </li></ul>Gate reads “Labour Makes You Free”.<br />