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