In Croatia, Berdić families are generally Croats (from Bosnian Posavina ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanska Gradiska area).
Prevalence
About 10 people with faimily name Berdić live in Croatia today, in five households only. They are located in only two Croatian places: in Zagreb (<10) and Oborovo in Dugo Selo area (<5).