Last name Salej (Salej 
, Салей 
) , throughout the world, is quite a rare cognomen. The surname Salej is habitual in Aland Islands, where it is quite a common surname, Belarus, where it is quite a rare surname, and Slovenia. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Belarus, Russia, and Ukraine. Much less frequently, Salej is the forename as well as the last name.