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