In Croatia, Bernašek families are mainly Croats (from Zabok ), rarely Czechs (from Daruvar area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Daruvar area.
Prevalence
About 20 people with faimily name Bernašek live in Croatia today, in 7 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in three Croatian cities only: in Daruvar (<10), Zagreb (<10), and in Jakusevec Zabocki (<5).
Outside Croatia
Family name Bernašek (including: Bernasek , Bernaschek ) is present in 6 countries on two continents. The family name "Bernasek " is used by some 200 people in the United States.