The Olympian gods are the principal deities in ancient Greek mythology, residing on Mount Olympus. They are known for their distinct personalities, powers, and domains, which include aspects of life such as love, war, wisdom, and the sea. The twelve main gods include Zeus, the king of the gods; Hera, his wife and goddess of marriage; and Poseidon, the god of the sea. These gods played a significant role in Greek culture, influencing art, literature, and religion. They were often depicted in myths and stories that explained natural phenomena and human experiences. Worship of the Olympian gods included rituals, sacrifices, and festivals, reflecting their importance in ancient Greek society.