Džoić families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Orasje area) and in Vinkovci.
Prevalence
About 120 people with faimily name Džoić live in Croatia today, in 60 households. There were 20 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 10 cities and 15 other places, mostly in Zupanja (50), Zagreb (20), Stitar (15), and in Rajevo Selo (10) and Gunja (<10) in Zupanja area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.