In Croatia, Crnec 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 Nasice area.
Prevalence
About 60 people with faimily name Crnec live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties, in 7 cities and 9 other places, mostly in Zagreb (20), Pitomaca in Djurdjevac area (10), Karlovac (<10), Oroslavje (<10), and in Koska in Nasice area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1769 in source Catholic Church Parish Records.