In Croatia, Kopas families are Croats (from Djurdjevac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area and in Koprivnica.
Prevalence
About 60 people with faimily name Kopas live in Croatia today, in 20 households. There were 90 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 8 Croatian counties, in 11 cities and 9 other places, mostly in Djurdjevac (20), Semovci in Djurdjevac area (10), Zagreb (<10), Opatija (<10), and in Virovitica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.