Tunuković families are Croats and they are mostly from Djakovo area. In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo area and in Djakovo.
Prevalence
About 150 people with faimily name Tunuković live in Croatia today, in 60 households. There were 170 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 10 Croatian counties, in 14 cities and 12 other places, mostly in Vrpolje in Djakovo area (70), Zagreb (20), Djakovo (15), Osijek (<10), and in Pula (<10).
Outside Croatia
Family name Tunuković is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.