Surname Köster-Saure (Köster-Saure 
) , throughout the world, is an extremely rare last name. The family name Köster-Saure is habitual in Western Europe, particularly Germany, where it is an extremely rare surname. Parts of the name also exists independently as a last name Köster, and a last name Saure.
| VARIANT | COUNTRY |
|---|---|
| Köster-Saure | Germany |