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