In Croatia, Kolarac families are predominantly Serbs, rarely Czechs (from Zagreb ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Grubisno Polje and Daruvar.
Prevalence
About 10 people with faimily name Kolarac live in Croatia today, in 8 households. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, four cities and threee other places, mostly in Zagreb (<10), Slatina (<5), Suhopolje in Virovitica area (<5), Osijek (<5), and in Daruvar (<5).
Outside Croatia
Family name Kolarac is present in four countries on two continents. The family name "Kolarac " is used by small number of people in the United States.
