In Croatia, Kopača families are predominantly Croats (from Pula ), rarely Bosniaks (from Bosnian Posavina ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Bosanian Posavina (Gracanica area).
Prevalence
Only a few people with faimily name Kopača live in Croatia today, in one household only. They are located in one Croatian city only, in Pula (<5).