The Ukrainians were not Nazi's; they were Nazi allies. But then so was Stalin with the division of Poland. The Ukrainians were in a difficult position, being stuck between the German Nazis and the Soviet Communists. The Communists gave them the Holodomor and subjugation under the Soviet Union. The Nazis promised independence from the Soviets. Can we really be surprised with whom they allied themselves?
This Uke Nazi government is primarily from the Galician area.
They were not even part of the Holomodor. In 1930-33 they were part of Poland.
The western area of Ukraine Galicia and Volhynia were taken by Russia in 1939.
https://en.wikipedia.org/wiki/Soviet_annexation_of_Eastern_Galicia_and_Volhynia
No no, the Banderist area of Ukraine in Lviv, Lwow or whatever they call it was not even part of the Holomodor.