Surname Gennia (Gennia 
) , all around the world, is a very rare family name. The family name Gennia is habitual in Greece, where it is a rare surname, Honduras, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Greece, Honduras, and Mexico. Likewise, Gennia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gennia | Honduras, Philippines, United States, Greece, India |