In Croatia, Bajc families are almost entirely Croats (from Djurdjevac area ), very rarely Slovenes (from Cakovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area and in Zagreb.
Prevalence
About 30 people with faimily name Bajc live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, threee cities and 6 other places, mostly in Pitomaca in Djurdjevac area (10), Cakovec (<10), in Pescenica (<5) and Lekenik (<5) in Petrinja area, and in Kriz in Ivanic-Grad area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.