In Croatia, Holas families are mainly Croats (from Belisce ), rarely Czechs (from Grubisno Polje ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Bjelovar.
Prevalence
About 10 people with faimily name Holas live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in five Croatian cities only: in Grubisno Polje (<5), Osijek (<5), Belisce (<5), Valpovo (<5), and in Ilok (<5).