The story of Gythio (or Githeio/Γύθειο) in Peloponnese (Greece) begins with a love story. According to the legend, on the small island of Cranae (or Kranai/Κρανάη), Paris and Helen spent their first night before fleeing to Troy. This island, known today as Marathonisi (Μαραθονήσι), is the ancient settlement of Gythio. The city was an important…