Selected Reading The Greeks believed the earth to be flat and circular, their own country occupying the middle of it, the central point being either Mount Olympus the abode of the gods, or Delphi, so famous for its oracle The circular disk of the earth was crossed from west to east and divided into two equal parts by the Sea, the Mediterranean, and its continuation Euxine (Black seaSelected Reading The Greeks believed the earth to be flat and circular, their own country occupying the middle of it, the central point being either Mount Olympus, the abode of the gods, or Delphi, so famous for its oracle. The circular disk of the earth was crossed from west to east and divided into two equal parts by the Sea, the Mediterranean, and its continuation Euxine. (Black Sea)