Vujnovac families are Croats and they are mostly from Valpovo area. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Valpovo area.
Prevalence
About 170 people with faimily name Vujnovac live in Croatia today, in 70 households. There were 210 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 9 Croatian counties, in 13 cities and 20 other places, mostly in Osijek (35), Brodjanci in Valpovo area (15), Podgajci Podravski (10), Valpovo (10), and in Samatovci in Valpovo area (<10).
Outside Croatia
Family name Vujnovac is present in four countries on three continents.
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.