In Croatia, Gregorina families are almost entirely Croats (from Klanjec area ), very rarely Slovenes (also from Klanjec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Varazdin. In Prosinec in Klanjec area every seventh inhabitant had the family name Gregorina.
Prevalence
About 70 people with faimily name Gregorina live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number increased by 50 percent. They are located in 6 Croatian counties, in 7 cities and four other places, mostly in Zagreb (30), Dubravica in Klanjec area (15), Varazdin (<10), Ivanec (<5), and in Delnice (<5).
Outside Croatia
Family name Gregorina is present in four countries on three continents.