In Croatia, Đoja families are generally Croats (from Middle Bosnia ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Podrinje, Bosnia (Zvornik area) and in Middle Bosnia (Kiseljak area).
Prevalence
About 20 people with faimily name Đoja live in Croatia today, in 12 households. They are located in five Croatian cities only: in Komletinci in Vinkovci area (<10), Petrinja (<10), Karlovac (<10), Zagreb (<5), and in Rijeka (<5).