In Croatia, Karleuša families are mainly Croats (from Pazin ), rarely Serbs, and very rarely Italians (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Otocac and Gospic.
Prevalence
About 50 people with faimily name Karleuša live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 7 cities and another small place , mostly in Rijeka (15), Brlog (<10), Zagreb (<10), Sesvete (<10), and in Pazin (<5).
Outside Croatia
Family name Karleuša is present in four countries on three continents. The family name "Karleusa " is used by small number of people in Australia and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.