Cognomen Gerc (Gerc 
, Герц 
) , throughout the world, is quite a rare last name. The last name Gerc is characteristic of Kazakhstan, where it is quite a rare surname, Ukraine, and Poland, where it is a rare surname. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Russia, Ukraine, and Poland. Likewise, Gerc is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerc | Spain, Poland, United States, Romania, Germany |
| Герц | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| malwina gerc Polish Righteous Among the Nations, PL (b. 1927) |
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| krzysztof gerc Polish researcher, PL (b. 1972) |
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| vedran gerc Croatian footballer, HR (b. 1986) |
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