Cognomen Adera (Adera 
) , in the world, is a common family name. The surname Adera is characteristic of Ethiopia, where it is quite a common surname, Kenya, where it is quite a rare surname, and Syria. More prevalently, Adera is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adera | Tanzania, Ethiopia, Kenya, Syria, Indonesia |
| meheret adera researcher |
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| lilian adera Kenyan footballer, KE (b. 1994) |
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