Family name Аера (Aera 
, Ayera 
, Аера 
) , across the world, is a rare cognomen. The surname Аера is characteristic of France, where it is a very rare surname, Greece, and Poland. Measured by absolute frequency, it is commonest in India, Indonesia, and France. Predominantly, Аера is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aera | Indonesia, South Korea, Malaysia, India, France |
| Ayera | Malaysia, Philippines, Nigeria, United States, India |
| Аера | Russia, Ukraine |