Why is Harry Potter not allowed Hogsmeade?
Why is Harry Potter not allowed Hogsmeade? HARRY WASN'T THE ONLY STUDENT EVER SUSPENDED FROM VISITING In Prisoner of Azkaban, Harry isn't allowed to go to Hogsmeade because he doesn't have the permission slip signed by a parent or guardian. Then, in Order of the Phoenix, he is banned from going as a punishment from Professor Umbridge.
Why is Ollivanders in Hogsmeade and not Diagon Alley?
Ollivanders moved to Hogsmeade just for Universal Studios. If you've read the books or seen the movies, you know that Ollivanders is technically located in Diagon Alley where most of the back-to-Hogwarts shopping occurs.
What happens if a Muggle sees magic?
If, by unfortunate means, Muggles do happen to observe the working of magic, the Ministry of Magic sends Obliviators to cast Memory Charms upon them, causing them to forget the event. Some Muggles are aware of the wizarding world.