Terzić families are frequently Croats and they are mostly from Nova Gradiska area , rarely Bosniaks (Bosanska Krajine) and Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Odzak area) and in Slavonski Brod.
About 1400 people with faimily name Terzić live in Croatia today, in 580 households. There were 940 of them in the middle of the past century, and their number increased by 50 percent. They are located in almost all Croatian counties, in 60 cities and 143 other places, mostly in Zagreb (205), Slavonski Brod (100), Nova Gradiska (65), Giletinci in Nova Gradiska area (60), and in Osijek (55).