History Facts & Stories on Instagram: "Auschwitz was the largest system of concentration and extermination camps established during World War II, located in occupied Poland. It consisted of multiple sections, including Auschwitz I (the main camp), Auschwitz II-Birkenau (a vast extermination and labor facility), and Auschwitz III-Monowitz (an industrial labor site). More than one million people, primarily Jews, along with Poles, Romani people, Soviet prisoners of war, and others, were imprisoned,