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