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