Surname Avadia (Авадья 
, Avadia 
) , in the entire world, is a very rare family name. The cognomen Avadia is characteristic of Colombia, where it is a very rare surname, Mexico, and Georgia. Measured by absolute frequency, the name is most common in Mexico, Colombia, and India. Also, Avadia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Авадья | Russia |
| Avadia | Mexico, Spain, United States, Colombia, India |