Concentration camps were very common during and before the Holocaust.
The 4 major Concentration Camps during the Holocaust were:AuschwitzTreblinkaBelzecSobibor
If you meant by People who died in Concentration Camps in Germany, then about 762,500 people died the Camps during the Holocaust.
About 5000 subcamp's were built.
they got sent to the camps with trains or by foot escorted by many soldiers
About 6 million Jews died in the death camps during the Holocaust. The purpose of the death camps were to do a mass extermination of the Jews.
. The Jews Were Targeted During The Holocaust Because ; during The Holocaust most jews were put in concertration camps german's blammed many things upon them