Possible Clues:

• Ancient city-state
• Capital of ancient Laconia
• Ancient Greek city known for warlike spirit
• The inside bit of this bit of Greece
• Just a bit in South Africa, but all in Greece
• Ancient Greek city
• City state of ancient Greece, famous for its military prowess
• Greek city overturned Athens initially with ruses
• Rival of Greece
• Rival of Athens, region in South Africa