Vinogradac families are Croats and they are mostly from Belisce. In the past century, relatively most of Croatian residents bearing this family name were born in Belisce and Osijek. In Vinogradci in Belisce every seventh inhabitant had the family name Vinogradac.
Prevalence
About 100 people with faimily name Vinogradac live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number increased by 10 percent. They are located in four Croatian counties, in 6 cities and 10 other places, mostly in Gat (25), Valpovo (15), Podgajci Podravski (15), Belisce (15), and in Vinogradci (<10).
Outside Croatia
Family name Vinogradac is present in three countries on two 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.