Using graphic elements like this world map, to see in which countries or regions of the world the surname Er is more common, is of great help.
The quantity of people with the surname Er that we can find in each country can help us discern the origin of the surname Er, as logic tells us that the place with the most people surnamed Er will be the country or area of origin of the surname Er.
Locating at a single glance the countries where the surname Er is more abundant, as well as the areas of the globe where there are hardly any people with the surname Er, is of great utility for individuals interested in surnames, and specifically in the surname Er, as it allows them to quickly and easily visualize the data and its distribution."