In Croatia, Gajdašević families are predominantly Serbs, rarely Croats (also from Osijek ), and barely Bosniaks (again from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
About 40 people with faimily name Gajdašević live in Croatia today, in 17 households. There were 70 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only four naselja i to in Tenja (40), Osijek (<5), Zagreb (<5), and in Beli Manastir (<5).
Outside Croatia
Family name Gajdašević is present in this form only in Croatia.