Gržinić families are Croats and they are mostly from Buzet. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Pula. In Kosoriga in Buzet nearly every inhabitant had the family name Gržinić.
Prevalence
About 380 people with faimily name Gržinić live in Croatia today, in 160 households. There were 500 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, in 15 cities and 52 other places, mostly in Rijeka (45), Pula (45), Buzet (25), Pazin (20), and in Kosoriga (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.