Gržanić families are Croats and they are mostly from Pazin area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pazin. In Gologorički Dol in Pazin area every tenth inhabitant had the family name Gržanić.
Prevalence
About 100 people with faimily name Gržanić live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 20 percent. They are located in 7 Croatian counties, in 9 cities and 13 other places, mostly in Zagreb (25), Rijeka (15), Pula (<10), Jablanovec (<10), and in Lokve in Delnice 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.