Cognomen Ерен (Eren 
, Yeren 
, Ерен 
) , around the world, is a widespread last name. The last name Ерен is characteristic of Turkey, where it is a common surname, North Macedonia, where it is quite a rare surname, and Cyprus. Not in comparison with a country's population, it is the most numerous in Turkey, Germany, and Peru. Likewise, Ерен is the forename as well as the last name.