In this world map, you can check at a single glance which countries have more people with the surname žák. As you can see, it's effortless to notice which countries have a higher number of people carrying the žák surname.
Thanks to this world map that shows the density of people with the surname žák in different countries, you can get an idea not only of the popularity of the surname žák in each country but also of the different migrations of people surnamed žák.
The quantity of people with the surname žák that we can find in each country can help us discern the origin of the surname žák, as logic tells us that the place with the most people surnamed žák will be the country or area of origin of the surname žák.