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