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Cognomen Korčak (Корчак , Korčak) , across the world, is quite a rare last name. The surname Korčak is habitual in Eastern Europe, particularly Ukraine, where it is quite a rare surname, Russia, and Belarus, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and Kazakhstan.
VARIANT | COUNTRY |
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Корчак | Ukraine, Belarus, Russia, Kyrgyzstan, Kazakhstan |