Grdinić families are Croats and they are mostly from the Island of Krk. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Bjelovar area. In Kozarevac Račanski in Bjelovar area every seventh inhabitant had the family name Grdinić.
Prevalence
About 160 people with faimily name Grdinić live in Croatia today, in 70 households. There were 130 of them in the middle of the past century, and their number increased by 20 percent. They are located in 8 Croatian counties, in 10 cities and 19 other places, mostly in Rijeka (35), Zagreb (25), Gabonjin on the Island of Krk (15), Stara Ploscica in Bjelovar area (10), and in Kras on the Island of Krk (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.