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Cognomen Koucka (Koucka
) , across the world, is quite a rare family name. The surname Koucka is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, Czechia, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koucka | Spain, Czechia, France, United States, Democratic Republic of the Congo |