Džanija families are Croats and they are mostly from Nova Gradiska area. In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska and Nasice.
Prevalence
About 260 people with faimily name Džanija live in Croatia today, in 90 households. There were 60 of them in the middle of the past century, and their number multiplied. They are located in 10 Croatian counties, in 13 cities and 37 other places, mostly in Nasice (55), Nova Gradiska (45), Ladjevac in Nova Gradiska area (20), Zagreb (10), and in Podgorac in Nasice area (10).