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