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Globally, Sajko (Sajko
, Сайко
) is a rare dominantly boy's, but uncommonly girly first name. The given name Sajko is characteristic of Serbia, where it is quite a rare male name, Bulgaria, where it is a rare masculine name, and Kyrgyzstan, where it is a rare female name. More prevalently, Sajko is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sajko | Serbia, Poland, Slovakia, Slovenia, Croatia |
| Сайко | Kazakhstan, Russia, Bulgaria, Belarus, Ukraine |