Gržin families are Croats and they are mostly from Opatija area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Senj.
Prevalence
About 120 people with faimily name Gržin live in Croatia today, in 60 households. There were 130 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 8 Croatian counties, in 9 cities and 14 other places, mostly in Senj (30), Lovran in Opatija area (20), Zagreb (15), Senj (10), and in Lovranska Draga in Opatija area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.