Family name Herja (Herja 
, Herje 
) , in the world, is a rare last name. The family name Herja is characteristic of Norway, where it is quite a rare surname, Estonia, where it is a rare surname, and Spain, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Norway, the United States, and Spain. Also, Herja is the forename as well as the last name.