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