Obranović families are often Croats and they are mostly from Cazma area , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Bjelovar. In Blagaj in Slunj every second inhabitant had the family name Obranović.
Prevalence
About 240 people with faimily name Obranović live in Croatia today, in 100 households. There were 230 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 17 cities and 37 other places, mostly in Karlovac (55), Popovaca in Kutina area (20), Zagreb (15), Prokljuvani (15), and in Veliko Korenovo (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.