Family name Drdak (Drdak 
) , all around the world, is a rare cognomen. The family name Drdak is characteristic of Eastern Europe, particularly Slovakia, where it is quite a rare surname, Czechia, where it is a rare surname, and Bulgaria. In absolute terms, this name is the most popular in Slovakia, Czechia, and Morocco.
| VARIANT | COUNTRY |
|---|---|
| Drdak | Morocco, Slovakia, Bulgaria, Czechia, United States |