Grdić families are Croats and they are mostly from Slunj area. According to some sources they are from Saborskog. In the past century, relatively most of Croatian residents bearing this family name were born in Ogulin and in Slunj area. In Donji Nikšić in Slunj every fourth inhabitant had the family name Grdić.
Prevalence
About 870 people with faimily name Grdić live in Croatia today, in 370 households. There were 710 of them in the middle of the past century, and their number increased by 20 percent. They are located in almost all Croatian counties, in 43 cities and 71 other places, mostly in Zagreb (155), Karlovac (65), Donji Niksic (55), Rijeka (50), and in Ostarije in Ogulin area (45).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1923 in source Emigration Commission Zagreb.