Hogwarts
This professor designed the wizard's chess set that the trio defeated at the end of the first book.
Minerva McGonagall
This "King of Snakes" slithered around in the Chamber of Secrets for decades.
Basilisk
To summon an object
Accio!
This Potions teacher was known for his greasy black hair and students oftened wondered if he could read minds.
Severus Snape
Platform 9 and 3/4
This is the only fully Muggle-free settlement in Great Britain, located adjacent to the Hogwarts grounds.
Hogsmeade
These herd-like creatures are known to have their eyes to the sky, always reading the stars as a way of determining the future.
Centaurs
To stun an opponent
Stupify!
This Auror was famous for the oddball way he looked at people, especially his mentee Nymphadora Tonks.
Mad-Eye Moody
This goblin-run bank is known to be among the safest places in the Wizarding World, except for Hogwarts.
Gringotts
The Weasley twins were well known for playing this position on the Gryffindor Quidditch team.
Beaters
It is polite to bow to these proud creatures to introduce yourself, unless you want to end up with a broken arm. They have the head of an eagle but four hooves for running.
Hippogriff
To open a locked door
Alohamora!
This witch always knew where to look for Nargles, as they often infest bunches of mistletoe, or so she says.
Luna Lovegood
These two schools are other European hubs for magical learning, and also participate in the Triwizard Tournament.
Beauxbatons and Durmstrang
Also known as the Room of Hidden Things, this was the secret training location for Dumbledore's Army
The Room of Requirement (or the Come and Go Room)
This breed of dragon is known to be particularly vicious, as Harry finds out during the First Task of the Triwizard Tournament.
Hungarian Horntail
To create a jet of water
Aquamenti!
This witch cast the spell that killed her cousin, Sirius Black in the Department of Mysteries.
Bellatrix Lestrange
The slightly sketchier shopping district for Magical London, this is the location of Borgin and Burke's.
Knockturn Alley
This ghost was the only one known to be able to control Peeves, the mischievous poltergeist who haunted the Hogwarts grounds.
The Bloody Baron
This magical hybrid beast is a crossbreed of manticores and fire crabs, developed by Rubeus Hagrid in Harry's fourth year.
Blast-Ended Skrewt
To produce a Patronus
Expecto Patronum!
This tabloid writer wrote a popular posthumous expose on the Life and Times of Albus Dumbledore.
Rita Skeeter
After the heroic rescue from Malfoy Manor in Book 7, Dobby takes the trio to this location
Shell Cottage