The Greek world consisted of a couple of thousand independent city-states. At some stages various ones had petty kings.
The direct answer to your question is 'the king'.
Ancient Greece was a Monarchy, oligarchie, tyranny, then a democracy (in order).
monarchy
monarchy
Monarchy
Monarchy
i THINK it came from ancient Greece but im not sure
monarchy (ap3x)
classic monarchy, such as kings, vassals, so forth and so on, wasn't invented or even implemented in ancient greece. greece was a republic, similar to how the US of A is today. they had a group that would make decisions, a republic, and this republic would rule over the land. it worked out quite well, until i believe the Romans took over. typing republic into google would give much better info on the republics than i could.
Ancient Greece
Historians cite the date of 950 BC as the time when Athenians overthrew their ruling monarchy.
Tribal, followed by monarchy.
The types of governments were... -MONARCHY -ARISTOCRATS -OLIGARCHY -and DIRECT DEMOCRACY