Family name Gergos (Gergos 
) , in all the world, is a rare last name. The surname Gergos is characteristic of Syria, where it is quite a rare surname, Greece, where it is a rare surname, and Australia, where it is a very rare surname. In absolute terms, this name is the most popular in Syria, Greece, and the United States. Very seldom, Gergos is the forename as well as the last name.