Dodona in Epirus in northwestern Greece, was a prehistoric oracle devoted to the Mother Goddess identified at other sites with Rhea or Gaia, but here called Dione and later, in historical times also to the Greek god Zeus. The shrine of Dodona was the oldest Hellenic oracle, according to the fifth-century historian Herodotus and in fact dates to pre-Hellenic times.
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Archaeological excavations over more than a century have recovered artifacts as early as the Mycenaeanera, many now at the National Archaeological Museum of Athens, and some in the archaeological museum at nearby Ioannina. There is ruins of Ancient Greek Theater which worth to visit.