Charn (city)

See here if you are looking for the World of Charn

Charn was a martial empire forged on a world seperate from both Narnia and Earth, where a civil war occured between the usurper Jadis and her sister, resulting in Jadis' releasing of a extremely powerful spell that killed all her subjects and family, turning all to stone, even her, unless someone rang a bell to awaken her from her petrification. Digory Kirke accidenly did this, and failled to stop Jadis form entering his world, and eventually the world of Narnia, which she eventually took over and became known as the White Witch, Empress of the Lone Isles and Queen of Narnia.