Κεφαλονιάς 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 is famous for its rich history, including ancient ruins and Venetian architecture. The capital of Κεφαλονιάς is Argostoli, which offers a vibrant atmosphere with shops, restaurants, and a picturesque harbor. The island is also home to the Melissani Cave, a popular natural attraction, and the Assos Castle, showcasing its historical significance. Visitors can enjoy outdoor activities like hiking and swimming in crystal-clear waters.