In Croatia, Haznadar families are predominantly Croats (from Banja Luka Region (Bosnia) ), rarely Bosniaks (from Doboj area, BiH ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Zagreb.
Prevalence
About 20 people with faimily name Haznadar live in Croatia today, in 7 households. They are located and another small Croatian place , mostly in Zagreb (10), Licki Osik (<5), Rijeka (<5), Osijek (<5), and in Velika Gorica (<5).
Outside Croatia
Family name Haznadar is present in 11 countries on three continents. The family name "Haznadar " is used by small number of people in Turkey 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 2007 in source Encyclopaedia of Croatian Surnames.