name four ethnic groups who came under Ottoman rule as the Ottoman Empire expanded during the 1500s?

Question

pls..help me to answer this....

Answer 1

Bulgarians, Romanians, Some Poles, Some Hungarians, Greeks. Wallachians, Croats, Dalmations, Eastern Europeans of all sorts. A shot on the dark really. I know they got all the way to Vienna. Those names areally mostly modern names for all the people in those states.