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.
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).