The Chaos Wastes lie close to the northern Chaos Portal, source of magic in Warhammer. The Chaos Wastes are a frigid, inhospitable wasteland in the far north, beyond Norsca. The Chaos Wastes technically border the Northern World's Edge Mountains, however to get to the settlements of that province, an army would have to travel a long way through the Eastern Oblast and Southern Oblast. The Wastes lie near the Goromandy Mountains and Gianthome Mountains. The Chaos Wastes have naturally high levels of chaos corruption.
It is accessible in the Old World and Mortal Empires campaigns. The Chaos Wastes is a province introduced in Total War: Warhammer.