The term "βασιλέων" is the genitive plural form of the Greek word "βασιλεῖς," meaning "kings." It is often used in historical and literary contexts to refer to the rulers of ancient Greek city-states or kingdoms. The concept of kingship in ancient Greece varied, with some regions having hereditary monarchs while others practiced different forms of governance. In literature, "βασιλέων" can be found in texts such as Homer's Iliad and Herodotus' Histories, where it describes the roles and responsibilities of kings. These works highlight the significance of leadership and the impact of kings on their societies, reflecting the values and beliefs of ancient Greek culture.