In Croatia, Kojadin families are almost entirely Croats (from Middle Bosnia ), very rarely Hungarians. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Travnik area) and in Middle Bosnia (Hadzici area).
Prevalence
About 50 people with faimily name Kojadin live in Croatia today, in 19 households. They are located in 7 Croatian counties, in 7 cities and 11 other places, mostly in Lipovac (<10) and Gradina (<10) in Virovitica area, Sesvete (<5), Umag (<5), and in Vodice (<5).