No - Sparta had two kings.
Sparta was ruled by two kings and its council, the Gerousia.
sparta
Sparta had two kings, a council of elders made of 28 citizens, and an assembly of all male citizens over age 30.
The government in Sparta was that unhealthy babies were to be killed and young boys were sent to the army. In athens they created a democracy. In Sparta they were ruled by two kings until they died and in athen they were ruled by archons
Sparta was ruled by two hereditary kings from separate families. The kings' power was limited by a 28 member council of elders. Athens was a direct democracy meaning all of the Athenian citizens could vote on legislation.
This changed over the centuries. Sparta was ruled by two kings, a council. and an assembly Athens was ruled first by a king, then an aristocracy, then by a tyrant, then by an assembly of the people. Persia was ruled by a king and his council.
Athens, Thebes, and Sparta were the three most powerful Greek City-States.
Sparta and Athens were two of the most powerful Greek city states in ancient times.
In Sparta, the two kings were the war leaders, and the conduct of warlike operations was determined by them in conjunction with the council. In Athens there were 10 generals, one from each tribe, who were charged with the conduct of wars after the Assembly had determined to engage in war.
Two differences between Athens and Sparta are their forms of government (Athens had a democracy while Sparta had an oligarchy) and their focus on military training (Sparta emphasized military training from a young age while Athens did not). Two similarities are their use of slaves for labor and their belief in the importance of physical fitness.
Athens was enemies with Sparta and Sparta was enemies with Athens