Dema is a fictional city in the universe of the musical duo Twenty One Pilots. It serves as a central theme in their album titled Scaled and Icy. The city represents a place of control and conformity, where inhabitants are encouraged to suppress their true emotions and desires. In the narrative, Dema is governed by a group known as the Bishops, who maintain order through strict rules. The city symbolizes the struggles of mental health and the importance of self-acceptance, reflecting the band's exploration of personal challenges and the journey toward freedom and authenticity.