The Library of Hadrian Athens

The Library of Hadrian is located to the north side of the Acropolis and the Roman Agora. It provided the people of Athens with a new, multi-purpose, public square and cultural center that contained a garden, works of art, a library, and lecture halls.

Link: http://www.athens-greece.us/athens-greece-photos/ancient-library-of-hadrian-athens.htm