Surname Birkaya (Birkaya 
) , in the entire world, is a very rare last name. The surname Birkaya is characteristic of Bulgaria, where it is a rare surname, Israel, where it is a very rare surname, and Turkey, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Bulgaria, India, and Turkey. Very seldom, Birkaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Birkaya | Israel, Bulgaria, United States, India, Turkey |