In Croatia, Grđan-Car families are Croats (from Velika Gorica ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Velika Gorica.
Prevalence
About 10 people with faimily name Grđan-Car live in Croatia today, in 6 households. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in only two Croatian places: in Kljucic Brdo (10) and Kozjaca (<5).
Outside Croatia
Family name Grđan-Car (including: Grdjan-Car , Grgjan-Car ) is present in two countries.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over a hundred times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.