Kapetanić families are Croats and they are mostly from Nova Gradiska area. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and Nova Gradiska. In Lovorno in Dubrovnik area every ninth inhabitant had the family name Kapetanić.
Prevalence
About 100 people with faimily name Kapetanić live in Croatia today, in 50 households. There were 130 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 11 cities and 17 other places, mostly in Zagreb (25), Slavonski Brod (10), Bacin Dol in Nova Gradiska area (10), Ljuta in Dubrovnik area (<10), and in Sustjepan (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.