In Croatia, Grdašić families are almost entirely Croats (from Jastrebarsko area ), very rarely Bosniaks (from Duga Resa area ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and in Duga Resa area.
Prevalence
About 40 people with faimily name Grdašić live in Croatia today, in 16 households. They are located in four Croatian counties and 5 other places, mostly in Kupinec in Jastrebarsko area (15), Karlovac (15), Starjak (<5), Bratina in Jastrebarsko area (<5), and in Belajske Poljice in Duga Resa area (<5).