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Surname Rudaja (Рудая
, Rudaja
) , all over the world, is quite a rare family name. The last name Rudaja is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Moldova, where it is quite a rare surname, and Russia. In absolute terms, it most frequently occurs in Eastern Europe, particularly Russia, Belarus, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Рудая | Kazakhstan, Russia, Moldova, Belarus, Ukraine |
| Rudaja | Estonia, Latvia, Lithuania, Belarus, Germany |