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