In the entire world, Ергун (Ergun 
, Ергун 
, Ergoun 
) is quite a common masculine first name. The forename Ергун is characteristic of Turkey, where it is quite a rare male name, Bulgaria, where it is a rare male name, and Belgium. Not in comparison with a country's population, it is the most numerous in Turkey, Germany, and France. Also, Ергун is the last name as well as the forename.