In Croatia, Kozlovič families are mainly Slovenes (from Pazin ), less frequently Croats (also from Pazin ).
Prevalence
Only a few people with faimily name Kozlovič live in Croatia today, in two households only. They are located in two Croatian cities only, in Zabrezani (<5) and Umag (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.