One important fact to remember about that the Nazis is that they were originally democratically elected into office. The map above shows where National Socialist German Workers Party (Nazi) support was the highest in the election of March 3rd, 1933.
It would turn out to be the last somewhat “free,” multi-party German election held across all of Germany until December 2nd, 1990, after German reunification.
However, it’s also important to note that while the Nazis won the most seats in 1933, they did not win a majority of them or the popular vote. Here is another map showing this in another way:
