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