Antikythera ( , ; , ) or Anticythera, known in antiquity as Aigilia ???????, is a Greek island lying on the edge of the Aegean Sea, between Crete and Peloponnese. Since the 2011 local government reform, it is part of the municipality of Kythira island.

North of Antikythera is the Kythira-Antikythira Strait,