Greek City States and Governments

Historical Identity
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2 Video Views·Aug 20, 2026
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Video Summary
AI GeneratedThis video explores why ancient Greece remained a collection of independent city-states (poleis) rather than unifying into a single empire. It attributes this political fragmentation to Greece's mountainous geography and examines the shared cultural pillars—language, religion, and the \"three Cs\"—that united these disparate states.
Polis, police, a man who serves the polis, and even polite, meaning that you have the
manners of a civilized person.
But the Greeks did not invent the polis.
You may recall that both Mesopotamian and Egyptian civilizations started out as competing
city-states.
What makes the Greeks unique was that they stuck with the polis long after their neighbors
had created kingdoms and empires.
This raises an important question.
Why?
Why didn't the Greek polis behave like the other city-states of the period, unite all
of Greece into a single kingdom, and expand to form a Greek empire?
The answer lies not in political ideals, but geography.
Let us compare the geography of Greece to that of Mesopotamia and Egypt.
Mesopotamia is open on all sides.
It is broad.
It is flat.
It is unified by the Tigris and the Euphrates.
It is fully accessible from all sides.
It is easily unified and easily invaded.
By contrast, Egypt is closed in by deserts.
It is narrow.
It is flat.
It is unified by the Nile.
And it is fully accessible from within, but not from without.
This made Egypt easily unified, but hard to invade.
Now let's look at Greece.
Greece is closed in by mountains and the sea.
Greek civilization is scattered over this mountainous terrain.
This terrain is inaccessible from within and from without.
This made Greece effectively impossible to unify and impossible to invade.
The effect of geography on Greek politics can be seen rather clearly.
When Hammurabi decided to expand his city-state of Babylon into a kingdom and then to an empire,
he encountered no real geographical barriers.
In fact, geography helped Hammurabi.
The network of rivers between the Tigris and Euphrates and the uninterrupted plains of the region
allowed Hammurabi to move his troops in any direction.
Yet the same lack of barriers that made Mesopotamia so easy to unite
also made it vulnerable to invasion.
Hammurabi's Babylonian empire was very short-lived.
By contrast, the pharaohs of Egypt did not have to worry so much about invasion
as Egypt is protected by deserts on three sides.
Yet within its borders, Egypt was very easy to unify and maintain
since the entire civilization clustered along the Nile.
Thus the city-states of Egypt were consolidated into a single kingdom with relative ease.
The kingdom was protected from the outside by deserts
but the same deserts made it difficult to expand the kingdom of Egypt into an empire.
Where the Sumerians built their empire on an open plain,
the Greeks were restricted by mountains on all sides.
Where the Egyptians united their kingdoms along a single river,
the Greeks were scattered in mountain valleys and islands.
This isolation made unifying the Greeks into a single kingdom all but impossible.
It took too long to move soldiers across the mountainous terrain of Greece
and the seasonal storms along the Mediterranean made naval empires difficult to maintain.
Even the Mycenaean kings, who dominated the eastern Mediterranean for a couple centuries,
never reached the level of power exercised by a Babylonian emperor,
let alone the absolute authority of an Egyptian pharaoh.
We can see this clearly in the Iliad.
Agamemnon might be king of Mycenae, but Achilles is king of the Myrmidons
and Odysseus is the king of Ithaca.
Agamemnon is, at best, first among equals and barely qualifies for that title,
being neither as mighty as Achilles nor as clever as Odysseus.
Agamemnon may have led the invasion of Troy, but it was Achilles and Odysseus who won it.
Compare the depiction of Agamemnon in the Iliad to the accounts of pharaohs and emperors,
who could freely claim, I conquered so-and-so, as if they had done so single-handedly.
Thus we can see how the mountainous geography of Greece
prevented the consolidation of a unified Greek kingdom
and maintained the independence of the Greek polis.
Each polis was fiercely independent, with its own customs, its own myths, and its own festivals.
With such variety, it is difficult to make generalizations about them.
Yet there are some things that the Greek poleis all shared in common.
For one, they all spoke Greek.
This may seem a given, but many in Mesopotamian Empire
had subjects speaking half a dozen different languages.
The Greek poleis also all worshipped the same pantheon of gods, albeit in different ways.
They all knew the same myths, though each polis had myths of its own.
And they all recognized certain holy places, like Olympia and Delphi,
though each polis had its own holy sites as well.
The importance of these holy sites in uniting Greek culture cannot be overstated.
They gave the Greeks places to meet and compete without bloodshed.
Despite their isolation, Greek city-states shared a common language, a common religion, and common holy sites.
Yet the shared values of Greek culture run even deeper.
There are three other common features of Greek city-states that are uniquely Greek.
These can be summarized with three Cs.
Constitutions, colonialism, and competition.
Every Greek polis had a constitution.
While these constitutions varied greatly from one polis to another,
the fact that every polis felt they needed a codified system of government,
one which held true for the high as well as the low,
bears witness to the egalitarian spirit of all Greek poleis.
Yet we must remember that this spirit of equality was restricted to the citizens of a given polis
and did not extend to outsiders.
Another thing the various Greek poleis had in common was colonialism.
Since the mountainous terrain of Greece offered little arable land,
a prosperous polis would quickly outgrow its limited surrounding countryside.
As populations grew, new sources of food needed to be found.
The Spartans solved this problem by conquering and enslaving their neighbors.
This was made possible by the relative flatness of the Peloponnese compared to the rest of Greece.
Most Greek poleis did not have this option.
Instead, they established colonies elsewhere.
With the Mediterranean as a trade route,
Greek poleis could transport harvests from hundreds of miles away
to feed their growing populations at home.
Conversely, colonies allowed a polis to relocate some of its population elsewhere
and thus relieve crowding.
Finally, founding colonies in strategic positions
allowed city-states to control trade routes and expand their influence.
As a result, the Greeks established colonies from Asia Minor to the Iberian Peninsula.
Indeed, southern Italy was so densely colonized by Greeks
that the Romans would later call the south Magna Graecia or Great Greece.
Yet perhaps the most important unifying feature of Greek culture
was their fixation on competition.
The Greeks always wanted to find out the best of every field,
the best potter, the best playwright, the best athlete,
the best constitution, the best polis.
To decide the winners, the Greeks held countless competitions at all levels.
From local court cases that read like high school speech competitions
to pan-Athenaic theatrical festivals
in which citizens from all of Attica competed in Athens
to pan-Hellenic Olympics,
athletic competitions between all the Greek poleis at the holy city of Olympia
to the pan-Hellenic sanctuary of Apollo at Delphi
where the Greek poleis tried to outshine each other
with ornate treasuries full of lavish donations to the Oracle.
While these rivalries might seem like a divisive force,
in fact they worked in just the opposite way,
bringing the disparate Greek poleis together.
While each polis believed its system of government
and its way of life was the best,
they did not simply assert their beliefs as fact.
Instead, the Greeks put their competing perspectives to the test
with contests, games and festivals.
This open competition of ideals
allowed rivals to respect and even admire one another
instead of simply hating one another.
So, we have seen how Greece's geography
maintained the independence of Greek poleis.
We have also seen that though the Greek poleis were fiercely independent,
they still had a great deal in common.
The unique nature of the Greek poleis becomes abundantly clear
when you compare them to the Mesopotamian city-states of Assyr and Babylon.
Like the Greek poleis, Assyr and Babylon shared a common Akkadian language.
Yet though they also shared a common pantheon,
unlike the Greeks, they did not agree on common holy sites.
Each was more than willing to burn the other's temples to the ground
as they vied with one another for religious supremacy.
With no neutral ground to meet on,
they had no pan-Mesopotamian competitions to bring them together.
Instead, each insisted on its own superiority.
With no mountains to keep them from one another's throat,
they engaged in centuries of near-constant bloodshed
as each tried to impose its system on one another.
Thus we have seen the basic characteristics of the Greek poleis.
Each poleis was fiercely independent,
with a unique culture and set of values.
Each poleis codified its values and customs into a constitution.
Each poleis had to expand to feed its people through colonialism.
Finally, each poleis engaged in competition with the other poleis.
Though rivalry between the Greek city-states sometimes led to military squabbles,
the Greeks also had peaceful methods to resolve conflicts
and establish relative precedence in the form of competitions,
ranging from local contests like the Panathenaic Theater Festival
to Pan-Hellenic contests like the Olympics.
