Chełmno extermination camp was created in 1941.
Sobibor extermination camp was created in 1943.
Treblinka extermination camp was created in 1942.
Belzec extermination camp was created in 1942.
No, the creator of Auschwitz modeled it off of other camps but it was created to kill more with a different gas (zeon) with bigger gas chambers ___ Chemlno was the first extermination camp, followed by Belzec. Routine mass gassings at Chemno began on 8 December 1941. Note, however, that Auschwitz was first established as a large and very harsh concentration camp in May 1940.
Treblinka extermination camp
Treblinka extermination camp ended in 1943.
Belzec extermination camp ended in 1942.
Chełmno extermination camp ended in 1943.
Auschwitz I was the original Auschwitz camp, set up in May 1940, mainly for Polish political prisoners and the Polish elites. It also housed the main administrative offices for the whole complex of camps as well as the blocks where medical experiments were carried out, and execution chambers.
Concentration camp and Extermination camp
Belzec was an extermination camp.
The extermination camp Chelmno was located near Chełmno nad Nerem; in Poland.