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Family name Dyadya (Dyadya
, Дядя
) , worldwide, is quite a rare last name. The cognomen Dyadya is characteristic of Ukraine, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and Nigeria. Very seldom, Dyadya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dyadya | Kazakhstan, Russia, India, Nigeria, South Africa |
| Дядя | Kazakhstan, Russia, Ukraine |