| Rat House | Martira Bay | Site of Boneless, chanting, and a rat-swarm attack | Dangerous |
| River Dancer | The Mists | Gambling and entertainment ship commanded by Snowmane | Current voyage |
| Castle Avernus Torture Chamber | Castle Avernus | Activated magic torture circle holding a burning captive | Dangerous |
| Castle Avernus Beast Prison | Castle Avernus | Metal cage room holding dangerous prisoners | Dangerous |
| Castle Avernus Lower Laboratory | Castle Avernus | Hidden study reached through an animal-dug tunnel from the Bone Chambers | Current |
| Castle Avernus Bone Chambers | Castle Avernus | Enchanted lower ossuary that endlessly raises skeletons | Dangerous |
| Castle Avernus Crypts | Castle Avernus | Burial chambers containing Voss’s guarded cell | Partially explored |
| Castle Avernus Hidden Library | Castle Avernus | Secret collection of records concerning other domains | Visited |
| Castle Avernus Treasury | Castle Avernus | Gilded upper treasury holding immense wealth and spell scrolls | Visited |
| Castle Avernus Elemental Laboratory | Castle Avernus | Five-plinth site of Azalin’s elemental experiment | Cleared |
| Castle Avernus Menagerie | Castle Avernus | Magical cages holding reagents, beasts, and prisoners | Visited |
| Library of Names | Castle Avernus | Archive of self-writing personal records | Visited |
| Conjuration Room | Castle Avernus | Cracked cylinder chamber beneath an invisible barrier | Visited |
| Castle Avernus Throne Room | Castle Avernus | Ruin hidden beneath giant-scale grandeur | Cleared |
| Castle Avernus Dinner Chamber | Castle Avernus | Site where three futures for Darkon were offered | Visited |
| Castle Avernus Slaughterhouse | Castle Avernus | Flesh-working chamber assembled from human remains | Cleared |
| Hook Road | Darkon | Route east from Rivalis | Traveled |
| The Final Audit | Darkon | Roadside inn where the party met Mr. Ledger | Open |
| The Ascent | Darkon | Unfinished road toward Mayvin and Tempe Falls | Traveled |
| Forest of Shadows | Darkon | Ancient forest below Castle Avernus | Dangerous |
| Redleaf Lake | Darkon | Source of the river crossed by the Ascent | Mentioned |
| Tempe Falls | Darkon | Distant dwarven and gnomish waterfall city | Mentioned |
| Nartok | Darkon | Aldo’s intended refuge | Mentioned |
| Rivalis | Darkon | Party’s current town, now half-consumed by the Shroud | Shroud-overrun |
| Coachman’s Rest | Rivalis | Party’s former inn and meeting place | Lost to the Shroud |
| Crystal Gardens | Rivalis | Decaying complex linked by a magical plant network | Half lost to the Shroud |
| Eternal Order Chapel | Rivalis | Site of the Book of Names | Active |
| Rivalis City Hall | Rivalis | Civic center converted into a refugee shelter and temporary inn | Active refuge |
| Two Brothers Creamery | South of Rivalis | Produces Screaming Cheese; cattle carry historic plague boils | Current location |
| Martira Bay | Darkon | Kargatane-controlled port beneath a central black tower | Current |
| Cosmopolis Club | Martira Bay | Upscale establishment with a possible vampire contact | Known, not visited |
| Mayvin | Darkon | Home of the gnomish Patent Hall | Known, not visited |
| Castle Avernus | Darkon | Broken, self-repairing seat of Azalin’s mysteries | Entered |
| Lamordia | Domain of Dread | Origin of the alien soil and the River Dancer’s icy first waypoint | Briefly visited by water |
| Traveler’s End | Rivalis | Shadier alternative to the Coachman’s Rest | Lost to the Shroud |
| Brautslava Institute | Darkon | Research institute and Professor Shale’s destination | Known, not visited |
| Richten House | Hidden mist-bound domain | Haunted estate and monster-hunter archive | Explored; party departed |
| Barovia | Domain beyond Darkon’s Mists | Destination of Van Richten’s final hunt against Strahd | Known, not visited |
| Har’Akir | Domain beyond Darkon’s Mists | Ooru’s desert homeland under the god-king Ankhtepot | Known, not visited |
| Vallaki | Barovia | Headquarters of the Keepers of the Feather, according to Vidic | Mentioned |
| Neblus | Darkon | Elven city whose gravestone streets swarm with gravelights | Fled after Ablander’s death |
| Dreamsong Inn | Neblus | Austere lodging kept by Drelm | Open |
| Shrine of the Spirits | Neblus | Fortified Eternal Order church where Ablander was slain | Hostile |
| Il Aluk | Darkon | “Dead city” where Lady Embermere’s name carries influence | Known, not visited |
| Nevuchar Springs | Darkon | Settlement where Darcalus Rex is allegedly becoming manifest | Mentioned |
| Faith’s Library | Martira Bay | Site of Erasmus’s latest vision and the King’s Ravens research | Visited |
| Last Breath Inn | Martira Bay | Watched inn where Black Lily arranged the party’s meeting | Open |
| Pale Lantern | Martira Bay | Kargatane lounge where Darian conducted a blood rite and Rage attempted arson | Visited; condition unknown |
| Drowned Rat | Martira Bay | Northern inn recommended by Black Lily | Mentioned |
| Black Lily’s Manor | Martira Bay | Site of Black Lily’s death and unexplained attic coffins | Dangerous |
| Gilded Thorn | Martira Bay | Rowdy imitation-fancy inn where Kargat tunnels were discussed | Open |