In Croatia, Gerbec families are predominantly Croats (from Sibenik ), rarely Slovenes (from Pozega ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pozega.
Prevalence
About 20 people with faimily name Gerbec live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in five Croatian cities only: in Sibenik (<10), Pozega (<10), Zagreb (<5), Split (<5), and in Zapresic (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.