In Croatia, Duzanović families are Croats (from Novska ). In the past century, relatively most of Croatian residents bearing this family name were born in Novska.
Prevalence
Only a few people with faimily name Duzanović live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Bjelovar (<5) and Vocarica (<5).
Outside Croatia
Family name Duzanović 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.