In Croatia, Ćupina families are predominantly Croats (from Zagreb ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Serbia.
Prevalence
Only a few people with faimily name Ćupina live in Croatia today, in two households only. They are located in one Croatian city only, in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.