In Croatia, Guzina families are mainly Croats (from Cazma area ), less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Slatina area.
Prevalence
About 10 people with faimily name Guzina live in Croatia today, in 7 households. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in 7 Croatian counties and threee other places, mostly in Zagreb (<5), Novi Vinodolski (<5), Pula (<5), Slatina (<5), and in Porec (<5).
Outside Croatia
Family name Guzina is present in 25 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.