In Croatia, Ačaj families are predominantly Croats (from Djakovo area ), rarely Czechs (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Srijem, Vojvodina and in Daruvar area.
Prevalence
About 20 people with faimily name Ačaj live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Voloder in Kutina area (<5), Vrpolje in Djakovo area (<5), Nova Pisanica in Grubisno Polje area (<5), and in Gornji Sredjani in Daruvar area (<5).
