In Croatia, Kolec families are almost entirely Croats (from Hrvatska Kostajnica area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Sisak.
Prevalence
About 30 people with faimily name Kolec live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number increased by 40 percent. They are located in threee Croatian counties, threee cities and four other places, mostly in Pula (10), Sunja in Hrvatska Kostajnica area (<10), Virovitica (<10), Greda Sunjska in Hrvatska Kostajnica area (<5), and in Umag (<5).
