Answer: The Forbidden Forest
More information: The Forbidden Forest is west of Hogwarts Castle.
More information: The troubling poltergeist that lives at Hogwarts is named Peeves.
Answer: George Weasley
More information: Fred's twin brother is George Weasley. They were both born on 1 April 1978.
More information: An Animagus can turn into an animal at will.
Answer: Great Lake
More information: The Great or Black Lake is south of Hogwarts Castle.
Answer: Severus Snape
More information: Lily Potter learned when was a witch from Severus Snape.
Answer: Arthur and Molly Weasley
More information: Ron Weasley's parents are Arthur and Molly, both pure-bloods.
More information: Rubeus Hagrid was a professor of Care of Magical Creatures.
Answer: Ginny Weasley
More information: Harry Potter's wife is Ginny Weasley.
Answer: Whomping Willows
More information: These dangerous plants are referred to as Whomping Willows and are also found near Hogwarts School.