In Croatia, Grbec families are generally Croats (from the Island of Krk ), very rarely Slovenes (from Opatija area ), and barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Nasice area and in Zagreb.
Prevalence
About 40 people with faimily name Grbec live in Croatia today, in 18 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties and 9 other places, mostly in Osijek (10), Zagreb (<10), Oroslavje (<10), Split (<10), and in Koska in Nasice area (<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.