Bzik families are Croats and they are mostly from Zapresic area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Zapresic. In Bregovljana in Zapresic area every seventh inhabitant had the family name Bzik.
Prevalence
About 80 people with faimily name Bzik live in Croatia today, in 40 households. There were 130 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 7 Croatian counties, in 9 cities and 7 other places, mostly in Zagreb (25), Kupljenovo (20), Resetari in Nova Gradiska area (10), Zapresic (<10), and in Donja Pusca in Zapresic area (<10).
Outside Croatia
Family name Bzik is present in 16 countries worldwide. The family name "Bzik " is used by some 200 people in Morocco , about 50 in the United States , and small number of people in Poland.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.