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