In Croatia, Avdija families are Roms by relative majority (from Pula area ), rarely Albanians (from Pregrada area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Kosovo and in Bosanian Posavina (Gradacac area).
Prevalence
About 30 people with faimily name Avdija live in Croatia today, in 10 households. They are located in 7 Croatian counties, in 6 cities and four other places, mostly in Galizana in Pula area (10), Osijek (<10), Laslovo in Osijek area (<10), Varazdin (<5), and in Vukovar (<5).
Outside Croatia
Family name Avdija is present in 24 countries on four continents.