In Croatia, Petrovicki families are predominantly Croats (from Donji Miholjac ), rarely Czechs (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Daruvar area.
Prevalence
About 30 people with faimily name Petrovicki live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number increased by 40 percent. They are located in four Croatian counties, in 6 cities and another small place , mostly in Zagreb (<10), Donji Miholjac (<10), Poljani (<10), Koncanica in Daruvar area (<10), and in Pleternica (<5).