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Cognomen Kubek (Kubek
, Кубек
) , in the entire world, is quite a rare surname. The family name Kubek is habitual in Eastern Europe, particularly Slovakia, where it is quite a rare surname, Czechia, and Poland, where it is a rare surname. Not in comparison with a country's population, it is commonest in the United States, Slovakia, and Poland. Also, Kubek is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kubek | Czechia, Poland, Slovakia, United States, Germany |
| Кубек | Kazakhstan, Kyrgyzstan |