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Surname Giankos (Giankos
) , in the entire world, is a very rare last name. The cognomen Giankos is habitual in Greece, where it is a rare surname, Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Giankos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giankos | United States, Canada, Greece |