Karlović families are mainly Croats and they are mostly from Bosnian Posavina. According to some sources they are from Begova razdolja (Gorski kotar) or otoka Ugljana, very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Doboj, Bosnia (Doboj area).
Prevalence
About 1300 people with faimily name Karlović live in Croatia today, in 520 households. There were 810 of them in the middle of the past century, and their number increased by 60 percent. They are located in almost all Croatian counties, in 57 cities and 132 other places, mostly in Zagreb (295), Slavonski Brod (120), Rijeka (60), Zadar (35), and in Ugljan on the Island of Ugljan (35).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1571 in source Catholic Church Parish Records.