Here are the places mentioned in Carpe Jugulum listed in alphabetical order. The chronological ordering of the same is on this page.
Aby Dyal – Mightily Oats knows of the hospice there.
Ah River – Near Klotz, at the bottom of the Ah Valley, presumably.
Ah Valley – Residents believe it’s best to kill a vampire by cutting off the head and boiling it in vinegar.
Ankh-Morpork – The largest city on the Disc where much of the action in the Discworld series takes place. Ruled by the Patrician. Home of Unseen University.
Bad Ass – The small village in Lancre where the wizard Drum Billet “christens” the baby girl, Eskarina Smith, a wizard – a thing which is not done, except when it is.
Barber-Surgeons’ Guild – Their motto: Come to us for a close shave! Their leitmotif: Shave and a haircut, no legs.
Batrigore – Sonaton killed the Beast from there. Assumes this is a place and not the Beast’s owner.
Blinz – Uncle Igor worked for the mad doctor there.
Borogravia – Small country, next to Uberwald, known for delicious chocolate and its god, Nuggan.
Citadel, The – A vast complex – religious and otherwise – in Kom, Omnia.
Copperhead Mountain – Major peak in Lancre.
Creel Springs – Home of a wizard who replaced Granny Hopliss and of Shaker Wistley.
Discworld – First mentioned in Equal Rites, this is the place where it all hits the…er…takes place.
Don’tgonearthe Castle – Main domicile of the de Magpyr vampire clan.
Escrow – Small town in Uberwald frequented by vampires.
Fools’ Guild – Formally known as the Guild of Fools and Joculators. No fooling.
Genua – Main setting of Witches Abroad. Sounds like Genoa. Feels like New Orleans.
Ghat – A mysterious land where they believe in vampire watermelons.
Glitz – Where vampires die if you fill their mouth with salt, hammer a carrot into both ears…and then cut their head off.
Grjsknvij – The Count and Countess de Magpyr fondly remember wonderful nights there. Best not to ask why.
Holy Fountain of Seven-Handed Sek – Igor had somehow obtained a decanter of holy water from there.
Howondaland – A place of steaming forests where Hrun the Barbarian has done some of his best work.
Kashncari – To kill a vampire here, cut off their toes and drive a nail through their neck. That’s all.
Klatch – Land of deserts and some jungles. Also the source of the phrase, “Pardon my Klatchian.” The country of Klatch is on the continent of Klatch.
Klotz – Where vampires die if you put a lemon in their mouth…after you cut their head off.
Lancre – A small kingdom in the Ramtops. Home of Nanny Ogg and several other witches and wizards.
Lancre Castle – In Lancre proper, from which King Verence and Queen Magrat try to rule without getting in the way.
Lancre Gorge – The reason for Lancre Bridge.
Lancre River – Runs under the Lancre Bridge. Eventually connects to the River Ankh.
Lost City of Ee – Once sought in Al Khali by Cohen the Barbarian. Found by Abraxas and Truckle. May be related to the Forbidden City of Ee.
Muntab, Theocracy of – It’s calendar counts down instead of up.
Myrilom – The Sons of Ezequial beat the hosts from there. Assumes this is a place and not a ruler or deity.
Ohulan Cutash – The “big city”, if you live in Bad Ass. Not that many people have heard of it.
Omnia – A very (sorta) religious country on the coast of the continent of Klatch.
Plain of Gidral – Where Urdure vanquished the Dragon of Sluth.
Ramtop Mountains – One of the main mountain ranges Hubward.
Skund – Literally, Your Finger You Fool.
Skund Gorge – Has a little path on its side where Brother Perdore fell (60 feet) off his donkey.
Slake – Small coach stop between Uberwald and Ankh-Morpork.
Slice – Home of Millie Hipwood / Hopgood / Hopwood, Mr Vermissage, and other minor characters.
Sluth – Urdure vanquished a Dragon from there. Assumes this is a place and not the Dragon’s owner.
Smale – Was at war with Elharib until 10 years ago. Wazir the bookseller hails from there. Thus his arguing with Goriff from Elharib.
Spackle – Where they’d hanged the man that had killed those little kids.
Splintz – Where vampires die if you put a coin in their mouth…and cut their head off.
Squintz – Spelling assumed as it had to be translated, sorta, from Thquintth. Has a Holy Turtle Pond.
Tsort – Location of the Valley of Tsort and thus the Great Pyramid of Tsort. Not to be confused with the Great Pyramid of Djelibeybi.
Überwald – Home to many werewolf, vampires, Igors, and other races. Homeland of Angua and Cheery.
Unseen University – The home of the Disc’s wizards, a very magical place where magic is almost never used, and for good reason. Known as UU, for short. Sometimes misspelled, Unesene.
Urt – Known for tiny little creatures that caused rare red tides off the nearby coast.
Valley of Mahag – Where Kazrin returned three times to wrest the cup of Hiread from the Oolite soldiers (while they slept). Assumes this is a place and not a ruler of the area.