Family name Serija (Serija 
, Серия 
, Серижа ) , in the entire world, is a rare surname. The cognomen Serija is habitual in Serbia, where it is a rare surname, Indonesia, where it is a very rare surname, and Georgia. Measured by absolute frequency, it is the most numerous in Indonesia, Serbia, and Russia. Also, Serija is the forename as well as the last name.