Thanks to this world map that shows the density of people with the surname Ostrowski in different countries, you can get an idea not only of the popularity of the surname Ostrowski in each country but also of the different migrations of people surnamed Ostrowski.
The quantity of people with the surname Ostrowski that we can find in each country can help us discern the origin of the surname Ostrowski, as logic tells us that the place with the most people surnamed Ostrowski will be the country or area of origin of the surname Ostrowski.
Globalization can make the surname Ostrowski be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Ostrowski greatly aids all those who seek a deeper knowledge about the surname Ostrowski.