In Croatia, Kozari families are Croats (from Valpovo ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Valpovo.
Prevalence
About 10 people with faimily name Kozari live in Croatia today, in five households only. They are located in two Croatian cities only, in Valpovo (10) and Belisce (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.