The quantity of people with the surname Aviau that we can find in each country can help us discern the origin of the surname Aviau, as logic tells us that the place with the most people surnamed Aviau will be the country or area of origin of the surname Aviau.
Globalization can make the surname Aviau 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 Aviau greatly aids all those who seek a deeper knowledge about the surname Aviau.