In Croatia, Hajnović families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 20 people with faimily name Hajnović live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only five naselja i to in Sesvete (<5), Sasinovec (<5), Luzan (<5), Zadar (<5), and in Ilok (<5).