In Croatia, Hrdžić families are Croats (from Nova Gradiska area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska area and in Bosanian Posavina (Bosanska Gradiska area).
Prevalence
About 50 people with faimily name Hrdžić live in Croatia today, in 16 households. There were 40 of them in the middle of the past century, and their number increased by 20 percent. They are located in 6 Croatian counties and threee other places, mostly in Gornji Varos in Nova Gradiska area (20), Kutina (<10), Zagreb (<10), Ivanec Bistranski (<10), and in Stara Gradiska in Nova Gradiska area (<10).