Ancient Molossians

king of Epirus from 307 to 302 and 297 to 272 BC

Olympias (; c. 375–316 BC) was an ancient Greek princess of the Molossians, the eldest daughter of King Neoptolemus I of Epirus, and the sister of Alexander I of Epirus. She was the mother of Alexander the Great by Philip II, king of Macedonia. She was extremely influential in Alexander's life and was recognized as de facto leader of Macedon during his conquests.

thumb|upright=1.3|Map of Ancient Greek region of Epirus right|thumb|215px|Molossia in antiquity.