Beretin families are Croats and they are mostly from Nin area. In the past century, relatively most of Croatian residents bearing this family name were born in Nin area and in Zadar.
Prevalence
About 110 people with faimily name Beretin live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 60 percent. They are located in 8 Croatian counties, in 9 cities and 11 other places, mostly in Radovin in Nin area (60), Zadar (20), Miklusevci in Ilok area (<10), Kastel Stari (<5), and in Hreljin (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States (1) and the Netherlands (1). Family name Beretin is present in five countries on three continents. The family name "Beretin " is used by small number of people in Germany , small number of people in the United States , and small number of people in Australia.
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.