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