Idžan families are Croats and they are mostly from Banja Luka area (Bosnia). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Zagreb.
Prevalence
About 190 people with faimily name Idžan live in Croatia today, in 70 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 8 Croatian counties, in 12 cities and 33 other places, mostly in Zagreb (40), Lekenik in Petrinja area (20), Susa in Ivanic-Grad area (20), Sesvete (10), and in Ogulin (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.