Thanks to this world map that shows the density of people with the surname Vilici in different countries, you can get an idea not only of the popularity of the surname Vilici in each country but also of the different migrations of people surnamed Vilici.
The quantity of people with the surname Vilici that we can find in each country can help us discern the origin of the surname Vilici, as logic tells us that the place with the most people surnamed Vilici will be the country or area of origin of the surname Vilici.