Who gathered at temples to worship Zeus the most powerful god?

In ancient Greece, a diverse group of people gathered at temples to worship Zeus, including priests, citizens, and pilgrims from various city-states. Major festivals, such as the Olympic Games, attracted athletes and spectators who came to honor Zeus and offer sacrifices. Additionally, local communities would hold rituals and ceremonies to seek his favor and protection. These gatherings reflected the central role of Zeus in Greek religion and culture.