In Croatia, Duvandžija families are predominantly Serbs, rarely Croats (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Kutina.
Prevalence
About 20 people with faimily name Duvandžija live in Croatia today, in 9 households. There were 40 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Kutina (<10), Mikleuska (<10), Vukovije in Daruvar area (<5), and in Ivanic-Grad (<5).
Outside Croatia
Family name Duvandžija is present in this form only in Croatia.