The City of the Sun is a philosophical work written by Tommaso Campanella in 1602, which presents a vision of an ideal society governed by communal living and collective ownership. This utopian narrative emphasizes harmony, reason, and the pursuit of knowledge as fundamental aspects of human life, reflecting the author's critique of contemporary society and its inequalities. Campanella's work is significant in the tradition of utopian literature, as it explores themes of social justice, education, and the role of religion in creating an ideal community.