In Croatia, Čupor families are Croats (from Ozalj ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj and Karlovac. In Zorkovac in Ozalj every fourtieth inhabitant had the family name Čupor.
Prevalence
Only a few people with faimily name Čupor live in Croatia today, in two households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only two naselja i to in Zorkovac (<10) and Ozalj (<5).