Cognomen Seroja (Seroja 
, Серожа 
, सरोज 
) , in all the world, is quite a rare surname. The cognomen Seroja is characteristic of Georgia, where it is a rare surname, Hong Kong, and Taiwan. Not in comparison with a country's population, this name is the most popular in Indonesia, Taiwan, and Saudi Arabia. Likewise, Seroja is the forename as well as the last name.