In Croatia, Vijuk families are Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Glina area and in Vukovar.
Prevalence
About 10 people with faimily name Vijuk 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 only two Croatian places: in Vukovar (<10) and Ponikvari in Glina area (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States (1) and Australia (1). Family name Vijuk (including: Viyuk , Vilyuk ) is present in 8 countries on three continents. The family name "Vijuk " is used by small number of people in the United States.