What follows are some examples of established canon locations.
Locations:
The Prime InnerlandsInnerland Marches-Assassin's rest: A killers paradise, where the souls of those who killed for profit can find peace, if they can avoid the blades of their compatriots.
-Charnel Court
Betrayers Barrier Mountain range.
-Glittering Marsh: Once a glorious lake with mulitudes of fish, it is now heavilty polluted with bone and gore.
-Knucklebone Coast
-Hallost: The Land of Dead Heroes - once a valhalla like underworld, it was invaded by the forces of Khorne and it is now inhabited by creatures of Chaos and the spirits of the heroes who hunt them.
-Booming Sea
-Cape Ghoul
-Coast of Bliss
-Endless Boneyard: Strewn with massive bones and remains of gigantic creatures slain in the Age of Chaos as well as relics of lost empires.
-Morthaven: An island once famed for its bread that fed the fleets who docked at its coastal ports.
-Mute Island: Once a haven for those who swore a life or unlife of silence, its now claimed by the flesh-eater courts.
-Necros: A powerful vampire dynasty has repeatedly driven off the hordes of Khorne.
-Gothizzar: The castle-crypts of this vast necropolis are saturated with the stuff of violent endings. The living that venture there find their life energy draining away, whilst the dead are imbued with greater power.
-The ruins of Shadespire: Once a grand city, founded in the Age of Myth as a waypoint for travellers crossing the Desert of Bones - it was cursed by Nagash when its inhabitants discovered they could use shadeglass to live on beyond death. The dust blown remnants of the city in the realm still attract refuges, adventurers and treasure seekers but the unwary can be transported to the cursed city itself that hangs in the void between the Realm of Ulgu and the Realm of Hysh
The Amethyst Princedoms
Athanasia
Here beneath the Greyspears, a volcanic range of mountains is located the Ulrung fyreslayer lodge. In the Age of Myth, mortals in this land would only live a set span of time before going to thier appointed death - they would then be reborn with the rising sun.
Coast of Plenty
-Blood Wastes
A vast desert made mostly from powdered blood. Before the coming of Nagash it was populated by the 'Duchys of Geist' that raised the raiding giants bats there. Nagash fought with the Duchys of Geist and ultimately conquered them. Powdered blood and some giant carcasses - is all that left from the defenders. Also it is a location of the 'Temple of Final Rest'.
-The Carrionlands
Once one of the grandest of the soulblight empires, now ruled over by the The Carrion King
-Carstinia
The gloomy realm of Mannfred von Carstein, a dark mirror of his own bitterness - it is filled with haunted forests and dotted with forbidding castles - its capital is Sternieste.
Lyria
Nagashizzar
Nagash's former stronghold was little more than a blasted crater after his overthrow but it was rebuilt in its full glory in the Age of Sigmar including a new Black Pyramid that stretched down into the underworld of Nekroheim below. It would be the site of the Great Ritual enacted by Nagash in the Time of Tribulations.
Neferatia
The personal kingdom of Neferata, carefully shaped by its queen to resemble her original home and populated by the spirits from the World-that-Was. To the north is the Chained Lakes and the south, the necrotic Peaks whilst a vast mountain range to the East divides the continent - on the other side is the Screaming Wastes
The buildings of the captial, Nulahmia are saturated with death magic from the many sacrifices to Neferata whilst spirits and ghosts haunt the city and the unwary traveller or pilgrim can be consumed by hungry shadows. The palace itself has many secret escape routes including one with its own Realmgate.[It lay in ruins following the assault by forces of Slaanesh.
The Jackel Gate: Four hundred slaves were sacrificed to give it the authentic aura of despair and death.
Nehb-kotz: A cavern beneath the Necropolis of Themis. Ten generations of workers had their bodies plastered into the walls to entice corpse-moths to nest in their skulls.
Obelisk of the Underworld: It draws upon the power of Nagash's Black Pyramids, even when they were destroyed it held a substantial reservoir of necromantic power.
The Palace of Seven Vultures: It was built and rebuilt a thousand times until it matched the queens memories, failed workers impaled upon spikes of copper and gold.
The Wormfields: A vast stretch of ground lying before the Jackel Gate, dotted with blooms of cryptfronds and trailing strands of morgueweed.
Nightlands
Contains the 'Corpsefane', a ghoul church to Nagash covered with ten thousand flayed faces.The River of Souls also runs through it, moving from the Arch of Secrets to the DeathLords' Gate, this area was ruled by Queen Aylessa, a vampire servant of Queen Neferata, but both her great barge-keep and city of Crookback were destroyed by the Ironjawz Megaboss
Stygxx
The Land of Forgotten Gods A lost underworld from a bygone era, to which Nagash and his Mortarchs retreated following their defeat by Chaos. [1a] In the Age of Myth, gods and mortals freely interbreed here.
Bacchanalia: During the Age of Chaos, it is home to the Great Pretender who seeks to wed the Stygxxian goddess of plenty and become the father of a tribe of demigods.
-Lake Lethis : Many gold palaces were created on the shores of these enchanted waters but now they are ruined and tarnished.
Pluton Barb
-The Fallow Kingdom of Voldyr
A ruined kingdom containing the Gate of Corpses Realmgate to the Realm of Azyr. Ruled over by the Abhorrant Ghoul King Marrowthirst.