Lefkada, also known as Lefkas or Leukas and Leucadia, is a Greek island in the Ionian Sea on the west coast of Greece, connected to the mainland by a long causeway and floating bridge. The principal town of the island and seat of the municipality is Lefkada. It is situated on the northern part of the island, approximately 25 minutes by automobile away from Aktion National Airport. The island is part of the regional unit of Lefkada.

The Ionian Sea is an elongated bay of the Mediterranean Sea. It is connected to the Adriatic Sea to the north, and is bounded by Southern Italy, including Basilicata, Calabria, Sicily, and the Salento peninsula to the west, southern Albania to the north, and the west coast of Greece, including the Peloponnese.