Aslan is a fictional character from C.S. Lewis's The Chronicles of Narnia, a series of seven fantasy novels. He is depicted as a great lion and serves as a symbol of goodness, justice, and sacrifice. Aslan is often seen as a representation of Christ in the stories, embodying themes of redemption and resurrection. In the narrative, Aslan plays a crucial role in guiding the main characters, known as the Pevensie siblings, and helping them in their battle against evil forces, particularly the White Witch. His presence brings hope and courage to the inhabitants of Narnia, making him a central figure in the struggle between good and evil.