Hogwarts has a library of course, but it isn’t the only one that Hermione visits. While searching for Horcruxes, she, Harry, and Ron come to London in search of Tom Riddle’s orphanage. There, Hermione sneaks into a Muggle library, where she discovers that the orphanage has been demolished (DH15).
Bethnal Green Charing Cross Road Clapham Diagon Alley Downing Street Elephant and Castle Grimmauld Place Grimmauld Square King’s Cross Station London Underground
Ministry of Magic Headquarters Muggle library Museum of Quidditch newsagent’s Orphanage Paddington Station Post Office Tower Private hospital Pudding Lane Purge and Dowse Ltd.