In Croatia, Vidonis families are mainly Croats (from Umag ), rarely Italians (from Buje ), and very rarely Bosniaks (from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and in Slovenia.
Prevalence
About 40 people with faimily name Vidonis live in Croatia today, in 18 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian counties, threee cities and 5 other places, mostly in Umag (<10), Zagreb (<10), Kastel (<10), Buje (<5), and in Basanija (<5).
Outside Croatia
Family name Vidonis is present in five countries on two continents. "Vidonish " is used by small number of people in the United States.