Hadrian inherited an empire facing a crisis, since Trajan had died before he could manage to contain the revolts in the East. Hadrian's first decision was thus to abandon the recently acquired provinces of the east (Armenia, Mesopotamia, Assyria). His ensuing rule involved two great tours across the provinces, and marked by political reforms and his fondness for Greek culture and customs.
Bouchard, Elsa. "Emperorship of Hadrian". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11458, accessed 05 December 2013.]