Greek and Roman religion shaped ancient Mediterranean societies, blending polytheism, anthropomorphism, and syncretism. These belief systems centered on a pantheon of gods and goddesses, each with distinct domains and personalities, worshipped through rituals, sacrifices, and festivals. Religious practices permeated daily life, from state-sponsored cults to household shrines. Temples, oracles, and mystery cults played crucial roles in both Greek and Roman cultures, influencing art, literature, politics, and philosophy while leaving a lasting legacy on Western civilization.