Bazjak families are mainly Croats and they are mostly from Buzet area , but often Italians (from Buzet ). In the past century, relatively most of Croatian residents bearing this family name were born in Slovenia and in Buzet. In Lozari in Buje every sixth inhabitant had the family name Bazjak.
Prevalence
About 80 people with faimily name Bazjak live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number increased by 10 percent. They are located in threee Croatian counties, in 7 cities and 10 other places, mostly in Livade in Buzet area (25), Buje (15), Buzet (<10), Lozari (<10), and in Zagreb (<5).
Outside Croatia
Family name Bazjak (including: Bazyak , Baziak ) is present in 13 countries on three continents. "Baziak " is used by some 100 people in Poland , small number in the United States , and small number of people in Spain.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.