In Croatia, Grbiniček families are Croats (from Jastrebarsko area ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and in Jastrebarsko area.
Prevalence
About 30 people with faimily name Grbiniček live in Croatia today, in 13 households. They are located in only four naselja i to in Donja Kupcina in Jastrebarsko area (20), Karlovac (<10), Zagreb (<5), and in Biograd na moru (<5).
Outside Croatia
Family name Grbiniček is present in three countries on two continents. The family name "Grbinicek " is used by few people in the United States.