Bernatović families are Croats and they are mostly from Zupanja. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Orasje area) and in Zupanja.
Prevalence
About 70 people with faimily name Bernatović live in Croatia today, in 40 households. There were 30 of them in the middle of the past century, and their number more than doubled. They are located in 9 Croatian counties, in 11 cities and 6 other places, mostly in Zupanja (25), Zagreb (15), Osijek (<10), Umag (<10), and in Predavac in Bjelovar area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.