In Croatia, Kuštić families are Croats (from Djurdjevac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and in Djurdjevac area.
Prevalence
About 10 people with faimily name Kuštić live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee Croatian places: in Bjelovar (<5), Repas in Djurdjevac area (<5), and in Zdralovi (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.