Kujadin families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Maglaj area) and in Djakovo.
Prevalence
About 60 people with faimily name Kujadin live in Croatia today, in 30 households. They are located in 8 Croatian counties, in 10 cities and 9 other places, mostly in Djakovo (15), Novi Jankovci in Vinkovci area (10), Velika Kopanica in Djakovo area (<10), Ivanic-Grad (<10), and in Belisce (<10).
Outside Croatia
Family name Kujadin is present in four countries on two continents.