The Castle of the Empress Eirene (Palaiologina) of Trebizond is known in Turkey as the Trabzon Castle, Fatih Tower, Irene Tower or Irene Tower Kulesi, and by Greeks as ο Πύργος της Αυτοκράτειρας Ειρήνης. She reigned between 1340-41and the castle is believed to have been constructed around this time. It was believed to have been used as a meeting place for the Trebizond aristocracy. It consists of 2 towers, one built inside the other.
See also: Eirene Palaiologina of Trebizond