Kujundžija families are Croats and they are mostly from western Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Western Bosnia (Livno area) and in Vinkovci.
Prevalence
About 80 people with faimily name Kujundžija live in Croatia today, in 30 households. They are located in 8 Croatian counties, in 8 cities and 9 other places, mostly in Vinkovci (25), Samobor (<10), Zagreb (<10), Visnjevac (<10), and in Slavonski Brod (<10).
Outside Croatia
Family name Kujundžija is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.