Founded in 1999, PHASIS is an academic journal published annually by the Institute of Classical, Byzantine and Modern Greek Studies of the Ivane Javakhishvili Tbilisi State University. In 2015, PHASIS became a peer-reviewed journal.

PHASIS publishes original contributions in all areas of Greek and Roman Studies, including literature, history, languages, philosophy, religion, art, and archaeology.  The journal also welcomes submissions on the reception of the ancient world.

PHASIS publishes articles in English, German, and French.