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Last name Dejko (Dejko
, Дейко
) , all around the world, is quite a rare cognomen. The family name Dejko is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Russia. Much less frequently, Dejko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dejko | United States, Slovakia, Poland |
| Дейко | Kazakhstan, Russia, Bulgaria, Belarus, Ukraine |