Bertić families are mainly Croats and they are mostly from Srijem , Vojvodina, rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Srijem, Vojvodina and in Zagreb.
Prevalence
About 480 people with faimily name Bertić live in Croatia today, in 210 households. There were 500 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 29 cities and 56 other places, mostly in Zagreb (95), Bosnjaci in Zupanja area (55), Otok in Vinkovci area (45), Vinkovci (40), and in Osijek (35).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1749 in source 18th Century Census.