In Croatia, Čapljak families are predominantly Serbs, rarely Croats (also from Bosnian Krajina ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Prnjavor area) and in Zagreb. In Šereg Ilova in Bosnian Krajina every third inhabitant had the family name Čapljak.
Prevalence
About 20 people with faimily name Čapljak live in Croatia today, in 8 households. They are located in four Croatian cities only: in Zagreb (<10), Kompolje (<5), Rijeka (<5), and in Varazdin (<5).
Outside Croatia
Family name Čapljak (including: Chaplyak , Capljak ) is present in five countries.