In Croatia, Gradinac families are generally Croats (from Vinkovci area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Kutina and in Vinkovci area.
Prevalence
About 20 people with faimily name Gradinac live in Croatia today, in 9 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, four cities and two other places, mostly in Zbjegovaca (10), Vinkovci (<10), Slavonski Brod (<5), Otok in Vinkovci area (<5), and in Kutina (<5).
Outside Croatia
Family name Gradinac is present in five countries on three continents.