The quantity of people with the surname Daviu that we can find in each country can help us discern the origin of the surname Daviu, as logic tells us that the place with the most people surnamed Daviu will be the country or area of origin of the surname Daviu.
Globalization can make the surname Daviu be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Daviu greatly aids all those who seek a deeper knowledge about the surname Daviu.