Sluganović families are Croats and they are mostly from Bosnian Posavina. According to some sources they are from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Brcko area) and in Vinkovci. In places Vitanovići Donji and Vitanovići Gornji in Bosanian Posavina every seventh inhabitant had the family name Sluganović.
Prevalence
About 120 people with faimily name Sluganović live in Croatia today, in 40 households. There were 30 of them in the middle of the past century, and their number multiplied. They are located in 9 Croatian counties, in 9 cities and 16 other places, mostly in Gunja (35) and Vrbanja (20) in Zupanja area, Zagreb (15), Otok in Vinkovci area (10), and in Drenovci in Zupanja area (<10).
Outside Croatia
Family name Sluganović is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.