In Croatia, Vouk families are almost entirely Croats (from Dugo Selo area ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Osijek.
Prevalence
About 50 people with faimily name Vouk live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, four cities and 5 other places, mostly in Zagreb (20), Sesvete (<10), Karlovac (<10), Osijek (<10), and in Sop in Dugo Selo area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.