Agis III was the eldest son of Archidamus III, and the 21st Eurypontid king of Sparta between 338 and 331 BC. He tried to lead a revolt against Macedonian hegemony over Greece, but was defeated by Antipater—Alexander the Great's regent in Greece—at the Battle of Megalopolis in 331 BC, where he died.
- Occupation
- ruler
- Position held
- king of Sparta
- Citizenship
- Sparta
- Born
- 350 BC
- Died
- 331 BC
