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