Question

How were the concentration camps organized

Answer 1

The leader of them was Heinrich Himmler. 

An SS Death’s Head Unit administered each camp. The SS unit was split into two groups.

Answer 2

https://www.ushmm.org/wlc/en/article.php?ModuleId=10005263Hitler then authorized SS chief leader Heinrich Himmler to centralize the administration of the concentration camps and formalize them into a system. Himmler chose SS Lieutenant General Theodor Eicke for this task. Eicke had been the commandant of the SSconcentration camp at Dachau since June 1933.

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