In Croatia, Kuruz families are Croats (from Gospic ). In the past century, relatively most of Croatian residents bearing this family name were born in Gospic and Zagreb.
Prevalence
Only a few people with faimily name Kuruz live in Croatia today, in two households only. They are located in one Croatian city only, in Zagreb (<10).
Outside Croatia
Family name Kuruz (including: Kürüz , Queruz and Curuz ) is present in 21 countries worldwide. The family name "Kuruz " is used by small number of people in the United States.
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.