In Croatia, Gravorac families are Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Petrinja.
Prevalence
Only a few people with faimily name Gravorac live in Croatia today, in one household only. They are located in only threee naselja i to in Sisak (<5), and in Slovinci (<5) and Prevrsac (<5) in Hrvatska Kostajnica area.
Outside Croatia
Family name Gravorac is present in three countries on two continents.