The first circle is Limbo, the space reserved for those souls who died before baptism and for those who hail from non-Christian cultures. Inferno tells the story of Dante's journey through a vision of hell ordered into nine circles corresponding to classifications of sin.
The first circle of hell is depicted in Dante Alighieri's 14th-century poem Inferno, the first part of the Divine Comedy. As depicted in Dante's Inferno The castle in the first circle of hell, as illustrated by Stradanus