Surname Дренка (Дренка 
) , in the world, is a very rare last name. The family name Дренка is characteristic of Eastern Europe, particularly Bulgaria, where it is a rare surname, and Ukraine, where it is a very rare surname. Also, Дренка is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Дренка | Ukraine, Bulgaria |