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