Κεφαλονιά is the largest island in the Ionian Sea, part of Greece. Known for its stunning landscapes, it features beautiful beaches, lush green hills, and charming villages. The island's capital is Argostoli, which offers a mix of modern amenities and traditional Greek culture. The island is famous for its unique geological formations, including the Melissani Cave and Drogarati Cave. Kefalonia is also known for its local wine, particularly Robola, and its rich history, with ancient ruins and Venetian architecture scattered throughout the island.