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Last name Kostro (Kostro
, Костро
) , all around the world, is quite a rare cognomen. The family name Kostro is habitual in Eastern Europe, particularly Poland, where it is quite a rare surname, Belarus, where it is a rare surname, and Ukraine, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Poland, the United States, and Ukraine. Also, Kostro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kostro | Italy, Poland, United States, United Kingdom, Germany |
| Костро | Belarus, Russia, Ukraine |