Using graphic elements like this world map, to see in which countries or regions of the world the surname Mowczan is more common, is of great help.
The quantity of people with the surname Mowczan that we can find in each country can help us discern the origin of the surname Mowczan, as logic tells us that the place with the most people surnamed Mowczan will be the country or area of origin of the surname Mowczan.