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Cognomen Koybasi (Koybasi
) , throughout the world, is a very rare surname. The surname Koybasi is habitual in Turkey, where it is a very rare surname, Australia, and Canada. Not in comparison with a country's population, it most frequently occurs in Turkey, Italy, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Koybasi | Canada, Italy, Turkey, Australia, United States |