The term "Shah Kings" refers to the rulers of various Persian empires, particularly during the Sasanian and Safavid dynasties. The title "Shah" means "king" in Persian and signifies a monarch's authority over their realm. These kings played significant roles in shaping the culture, politics, and economy of Persia, influencing neighboring regions as well. The Sasanian Empire (224-651 CE) was known for its advancements in art, science, and architecture, while the Safavid Empire (1501-1736) is recognized for establishing Shia Islam as the state religion. Both dynasties left a lasting legacy on Persian identity and history.