Hajdin families are mainly Serbs and they are mostly from Vrbovsko , whereas often Croats (from Valpovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovsko and Ogulin.
Prevalence
About 200 people with faimily name Hajdin live in Croatia today, in 110 households. There were 270 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 19 cities and 22 other places, mostly in Rijeka (30), Hajdine (25), Zagreb (20), Karlovac (20), and in Varazdin (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.