Surname Dvorzhak (Dvorzhak 
) , in the world, is a very rare last name. The last name Dvorzhak is characteristic of Bulgaria, where it is a rare surname, Germany, where it is an extremely rare surname, and Ukraine. Measured by absolute frequency, this name is the most popular in Bulgaria, Germany, and Russia. Much less frequently, Dvorzhak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dvorzhak | Germany, Russia, Spain, United States, Bulgaria |
| anton dvorzhak researcher |
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