Surname Geronia (Geronia 
) , all over the world, is a very rare family name. The family name Geronia is habitual in Philippines, where it is a very rare surname, Spain, and Mexico, where it is an extremely rare surname. Likewise, Geronia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geronia | Spain, Philippines, Mexico, United States, Brazil |