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