Last name يللي (Ylli 
, يللي) , in the entire world, is quite a rare cognomen. The cognomen يللي is characteristic of Southern Europe, particularly Albania, where it is quite a common surname, Greece, where it is a rare surname, and Slovenia. Not in comparison with a country's population, this name is the most popular in Southern Europe, particularly Albania, Greece, and Italy. More prevalently, يللي is the forename as well as the last name.