Answer:
Nazi Death Camps and their locations:
Chełmno extermination camp ⇒ close to Chełmno nad Nerem, Poland. 
Belzec extermination camp ⇒ close to Belzec, Poland. 
Sobibor extermination camp ⇒ close to Sobibor, Poland. 
Treblinka extermination camp ⇒ close to Treblinka, Poland. 
Auschwitz concentration camp ⇒ main camp near Oświęcim, Poland. 
Atrocities committed:
- Mass murder 
- Disembowelment
- R-ape 
- Chemical extermination
-  Deliberately infecting humans with diseases like Typhoid
- Attempting to create conjoined twins by sewing them together 
- Vivisections on humans. 
- Eye experiments 
- Slave labor 
- Fatal beating. 
Atrocities by Josef Mengele.
- Chemical extermination - He administered chemicals like chloroform to victims including twins one time killing fourteen twins in one night.
- Deliberately infecting humans with diseases like Typhoid - He did this on twins to see how the other twin's body would react. 
- Vivisections on humans - He would experiment on people and open them up without anasthesia to view how their organs worked even doing this to pregnant women.
- Attempting to create conjoined twins by sewing them together 
- Eye experiments - Mengele injected chemicals into the eyes of people whilst they were still alive to see if he could change their eye color.