Peretin families are Croats and they are mostly from Ozalj. In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj and Karlovac. In Donji Oštri Vrh Ozaljski in Ozalj every third inhabitant had the family name Peretin.
Prevalence
About 70 people with faimily name Peretin live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 10 percent. They are located in 6 Croatian counties, in 6 cities and 10 other places, mostly in Donji Ostri Vrh Ozaljski (20), Slatina (10), Zagreb (<10), Karlovac (<10), and in Ozalj (<10).
Outside Croatia
At least five families with this surname emigrated from Croatia to: Canada (1), the United States (1), Australia (1), Germany (1), and to Sweden (1). Family name Peretin is present in 8 countries on four continents. The family name "Peretin " is used by some 90 people in the United States and small number in Canada.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.