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