In Croatia, Hajdinić families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and in Duga Resa area.
Prevalence
About 20 people with faimily name Hajdinić live in Croatia today, in 10 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 6 cities and another small place , mostly in Karlovac (15), Hreljin (<10), Praputnjak (<5), Kraljevica (<5), and in Zagreb (<5).
Outside Croatia
Family name Hajdinić is present in this form only in Croatia.