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