Crnečki families are Croats and they are mostly from Zagreb. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Vinkovci.
Prevalence
About 50 people with faimily name Crnečki live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties, threee cities and 7 other places, mostly in Gornji Stupnik in Samobor area (20), Zagreb (15), Hrvatski Leskovac (<10), Lucko (<5), and in Samobor (<5).