In a Harry Potter novel, Sirius Black is a convicted murderer who escapes from this island prison in the North Sea
.... Hermione Harry & Ron (
Harry Potter and the Prisoner of Azkaban) ... First and Last lines of each Harry 
Potter book ..... Castle of Yesnaby, Orkney Islands, Scotland .... baltic seasweden 
housesweden travelisland swedenvisby gotlandsweden gotlandgotland island
visby... [DOC] [TLE] Meet The Residents - Hogwarts Extreme [PAR] Harry Potter and the Prisoner of Azkaban Meet The Residents ... prison located 
on a remote island somewhere in the North Sea.