concept of citizenship, religious beliefs, and language
the major city-states were corinth,athens,sparta,thebes,and delphi
The two best known ancient Greek city states are Sparta and Athens
Poli-Kratos (Πόλις-Κράτος). It was simply referred to as Polis.
a direct democracy
Close to the sea was one asset - it allowed fishing and trade. But a bit inland, not on the coast to avoid surprise pirate raids. Near or on a steep hill (acropolis) for defensive purposes. With...
Visit the Ancient City of Ephesus in Turkey
Stewart Brand on Cities That Pre-Date Religion
Visit the Sacred City of Anuradhapura in Sri Lanka
Malta Travel Guide: Important Cities