In Croatia, Jasek families are almost entirely Croats (from Krizevci ), very rarely Czechs (from Bjelovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci and Bjelovar.
Prevalence
About 30 people with faimily name Jasek live in Croatia today, in 10 households. There were 20 of them in the middle of the past century, and their number increased by 40 percent. They are located in four Croatian counties, four cities and two other places, mostly in Krizevci (15), Bjelovar (<10), Varazdin (<5), Novska (<5), and in Grginac in Bjelovar area (<5).
