Surname Merka-Tordera (Merka-Tordera 
) , in the entire world, is an extremely rare last name. The family name Merka-Tordera is habitual in Southern Europe, particularly Spain, where it is a very rare surname. Parts of the name also exists independently as a last name Merka, and a last name Tordera.
| VARIANT | COUNTRY |
|---|---|
| Merka-Tordera | Spain |