Areus I (; c. 320 or 312 – 265 BC) was Agiad King of Sparta from 309 to 265 BC. His reign is noted for his attempts to transform Sparta into an Hellenistic kingdom and to recover its former pre-eminence in Greece, notably against the kings Antigonos Gonatas of Macedonia and Pyrrhus of Epirus.
- Occupation
- ruler
- Position held
- king of Sparta
- Citizenship
- Sparta
- Born
- 350 BC
- Died
- 265 BC