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Across the world, Tanislav (Tanislav
, Танислав
) is a rare male first name. The given name Tanislav is habitual in Eastern Europe, particularly Romania, where it is a rare masculine name, Bulgaria, and Russia, where it is a very rare masculine name. Measured by absolute frequency, it is the most numerous in China, Romania, and Russia. More frequently, Tanislav is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tanislav | Bulgaria, Hungary, Afghanistan, China, Romania |
| Танислав | Kazakhstan, Russia, Ukraine |