In Croatia, Giugovaz families are Italians (from Buje ). In the past century, relatively most of Croatian residents bearing this family name were born in Buje and in Slovenia.
Prevalence
Only a few people with faimily name Giugovaz live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in three Croatian cities only: in Buje (<10), Rovinj (<5), and in Savudrija (<5).
Outside Croatia
Family name Giugovaz is present in 9 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.