Hajdarević families can be both Bosniaks (the family name originates from Cazinska Krajina Region , Bosnia) and Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazins Region, Bosnia (Bosanska Krupa area) and in Bjelovar area.
Prevalence
About 140 people with faimily name Hajdarević live in Croatia today, in 60 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in almost all Croatian counties, in 19 cities and 28 other places, mostly in Zagreb (20), Pula (20), Rijeka (15), Gundinci in Djakovo area (10), and in Bjelovar (<10).
Outside Croatia
Family name Hajdarević is present in 20 countries on four continents. The family name "Hajdarevic " is used by some 400 people in Germany , about 200 in Afghanistan , and some 200 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.