In the book Chronicles of Narnia the witch called herself?

The White Witch is named Jadis. She was brought into Narnia by Digory Kirk and Polly Plumber from a different world called Charn, and she made Narnia so that it was always winter. The White Witch appears in the following Narnia books:

• The Magician's Nephew
• The Lion, the Witch and the Wardrobe
• Prince Caspian
• Voyage of the Dawn Treader
• The Silver Chair