Iljazović families are predominantly Croats and they are mostly from Bosnian Posavina , less frequently Bosniaks (also from Bosnian Posavina ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Samac area) and in Bosanian Posavina (Brcko area).
Prevalence
About 160 people with faimily name Iljazović live in Croatia today, in 50 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in 10 Croatian counties, in 12 cities and 13 other places, mostly in Babina Greda (40) and Slavonski Samac (30) in Zupanja area, Zagreb (30), Rijeka (20), and in Zupanja (10).
Outside Croatia
Family name Iljazović (including: Iljazovic , Eljazovic and Ilyazovich ) is present in 11 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1938 in source Emigration Commission Zagreb.