*OSTERMAN BAR HAS NOW CLOSED*
Step into Osterman and you may forget you were in Athens. The interior speaks of another time and place entirely and is one of the most original bars in the city.

Signature cocktails. Photograph: Courtesy of Osterman
The hip and happening Agias Irinis Square which surrounds adds to the vibe, as will any selection from their extensive cocktail list. Osterman lives up to the hype and is part of the burgeoning Athens nightlife scene.
See some other great suggestions for nightlife in Athens here.