Last name Efstratia (Efstratia 
) , around the globe, is quite a rare cognomen. The cognomen Efstratia is characteristic of Southern Europe, particularly Greece, where it is quite a common surname. Also, Efstratia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Efstratia | Australia, United States, South Africa, Greece, Germany |