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