Bertek families are Croats and they are mostly from Cazma. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Cazma. In Gornji Lipovčani in Cazma every fourth inhabitant had the family name Bertek.
Prevalence
About 90 people with faimily name Bertek live in Croatia today, in 40 households. There were 130 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties, in 7 cities and 12 other places, mostly in Gornji Lipovcani (20), Sesvete (15), Stefanje in Cazma area (10), Zagreb (<10), and in Velika Ostrna (<10).
