What Are The Major Places Of Greek Civilization?

What Are The Major Places Of Greek Civilization? There grew to be over 1,000 city-states in ancient Greece, but the main poleis What were the 3 major cities in ancient Greece? Some of the most important city-states were Athens, Sparta, Thebes, Corinth, and Delphi. Of these, Athens and Sparta were the two most powerful city-states.