Prkačin families are Croats and they are mostly from east and southeast Herzegovina (Duzice, Ravno). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in East Herzegovina (Trebinje area). In Trebimlja in East Herzegovina every seventh inhabitant had the family name Prkačin.
Prevalence
About 380 people with faimily name Prkačin live in Croatia today, in 140 households. There were 70 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 21 cities and 28 other places, mostly in Dubrovnik (135), Zagreb (50), Mokosica (30), Slavonski Brod (25), and in Nova Mokosica (15).
Outside Croatia
Family name Prkačin (including: Prkacin , Prkachin ) is present in four countries on two continents. The family name "Prkacin " is used by small number of people in the United States.
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.