In Croatia, Prtajin families are Croats (from Biograd na moru area ). In the past century, relatively most of Croatian residents bearing this family name were born in Biograd na moru area and in Zagreb.
Prevalence
About 20 people with faimily name Prtajin live in Croatia today, in 7 households. They are located in only five naselja i to in Vrana in Biograd na moru area (15), Zagreb (<10), Zadar (<5), Dugo Selo (<5), and in Pakostane in Biograd na moru area (<5).
Outside Croatia
Family name Prtajin is present in this form only in Croatia.