Hogwarts Sorting Hat Quiz! Moo Moo Squad
Hogwarts Castle was a large, seven-storey high building supported by magic, with a hundred and forty-two staircases throughout its many towers and turrets and very deep dungeons.
A huge, rambling, quite scary-looking castle, with a jumble of towers and battlements. Like the Weasleys' house, it isn't a building that Muggles could build, because it is supported by magic. In the novels, Hogwarts is somewhere in Scotland (the film Prisoner of Azkaban says that Dufftown is near).