In Croatia, Frlin families are almost entirely Croats (from Pula area ), very rarely Italians (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and in Pula area.
Prevalence
About 30 people with faimily name Frlin live in Croatia today, in 10 households. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, threee cities and 6 other places, mostly in Vodnjan in Pula area (10), Cernik in Nova Gradiska area (<10), Nedelisce in Cakovec area (<5), Zelezna Gora in Mursko Sredisce area (<5), and in Pula (<5).
Outside Croatia
Family name Frlin (including: Ferlin , Pherlin ) is present in 39 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.