Koprčina families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Sinj. In Krivodol in Sinj area every fourth inhabitant had the family name Koprčina.
Prevalence
About 170 people with faimily name Koprčina live in Croatia today, in 60 households. There were 120 of them in the middle of the past century, and their number increased by 40 percent. They are located in 6 Croatian counties, in 13 cities and 9 other places, mostly in Grab in Sinj area (85), Split (25), Sinj (25), Solin (<10), and in Djakovo (<10).
Outside Croatia
At least four families with this surname emigrated from Croatia to the United States (3) and Argentina (1). Family name Koprčina is present in four countries on three continents. The family name "Koprcina " 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.
