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Last name Čujko (Чуйко
, Čujko
) , all over the world, is a common surname. The family name Čujko is habitual in Ukraine, where it is quite a common surname, Belarus, where it is quite a rare surname, and Kazakhstan. In absolute terms, it is the most numerous in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Чуйко | Kazakhstan, Russia, Belarus, Azerbaijan, Ukraine |
| Čujko | Croatia |