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