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Globally, Gruba (Gruba
, Grube
, Груба
) is a very rare largely boy's, but uncommonly feminine first name. The first name Gruba is characteristic of Greece, where it is a rare male name, and Nigeria, where it is a very rare mostly male, but infrequently female name. More frequently, Gruba is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gruba | Philippines, Brazil, Poland, United States, Germany |
| Grube | Brazil, Poland, Latvia, United States, Germany |
| Груба | Kazakhstan, Kyrgyzstan, Russia, Ukraine |