The quantity of people with the surname Tarnawa that we can find in each country can help us discern the origin of the surname Tarnawa, as logic tells us that the place with the most people surnamed Tarnawa will be the country or area of origin of the surname Tarnawa.
Globalization can make the surname Tarnawa 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 Tarnawa greatly aids all those who seek a deeper knowledge about the surname Tarnawa.