Grgičin families are Croats and they are mostly from Djurdjevac area. In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area and in Koprivnica.
Prevalence
About 110 people with faimily name Grgičin live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 30 percent. They are located in 7 Croatian counties, in 6 cities and 16 other places, mostly in Pitomaca in Djurdjevac area (20), Djurdjevac (20), Prugovac in Djurdjevac area (10), Ribnjacka in Grubisno Polje area (<10), and in Koprivnica (<10).
Outside Croatia
Family name Grgičin is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.