In Croatia, Bijuk families are almost entirely Croats (from Virovitica ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica area and in Virovitica.
Prevalence
About 50 people with faimily name Bijuk live in Croatia today, in 30 households. There were 170 of them in the middle of the past century, and their number decreased significantly. They are located in 8 Croatian counties, in 10 cities and 5 other places, mostly in Virovitica (25), Samobor (<10), Zagreb (<10), Pitomaca in Djurdjevac area (<10), and in Djakovo (<5).
Outside Croatia
Family name Bijuk (including: Büyük , Bilyuk , Biyuk , Bylyuk and Biiuk ) is present in 35 countries worldwide.