In Croatia, Belajac families are predominantly Croats (from Osijek area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek area and in Slavonski Brod.
Prevalence
About 20 people with faimily name Belajac live in Croatia today, in 10 households. There were 40 of them in the middle of the past century, and their number halved. They are located and two other Croatian places, mostly in Osijek (<10), Cepin in Osijek area (<5), Slavonski Brod (<5), Virovitica (<5), and in Ivanic-Grad (<5).
Outside Croatia
Family name Belajac is present in four countries on two continents. The family name "Belajac " is used by some 70 people in the United States and small number in Canada.