Petrina families are Croats and they are mostly from Ozalj area. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and in Herzegovina (Citluk area). In Orljakovo in Ozalj area every fourth inhabitant had the family name Petrina.
Prevalence
About 320 people with faimily name Petrina live in Croatia today, in 130 households. There were 260 of them in the middle of the past century, and their number increased by 20 percent. They are located in almost all Croatian counties, in 18 cities and 24 other places, mostly in Zagreb (55), Sibenik (50), Dugi Rat in Omis area (30), Sveti Filip i Jakov in Biograd na moru area (25), and in Orljakovo in Ozalj area (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1924 in source Emigration Commission Zagreb.