Está no Mar do Norte .
Azkaban has existed since the fifteenth century and was not originally a prison at all. The island in the North Sea upon which the first fortress was built never appeared on any map, Muggle or wizarding, and is believed to have been created, or enlarged, by magical means.
Cornelius Fudge identifica-o como estando no meio do Mar do Norte
‘… I’ve just come from Azkaban,’ Fudge had panted, tipping a large amount of water out of the rim of his bowler hat into his pocket. ‘Middle of the North Sea, you know, nasty flight … the Dementors are in uproar –’ he shuddered ‘– they’ve never had a breakout before.
Harry Potter and the Half Blood Prince: CHAPTER ONE — The Other Minister
Embora isso pareça estar em conflito com o fato de que Sirius nadou de volta para a praia. Também estamos avisados de que é para o sul de Hogwarts.
I swam as a dog back to the mainland … I journeyed north and slipped into the Hogwarts grounds as a dog … I’ve been living in the Forest ever since … except when I come to watch the Quidditch, of course … you fly as well as your father did, Harry …’
Harry Potter and the Prisoner of Azkaban: CHAPTER NINETEEN – The Servant of Lord Voldemort
Dado que Hogwarts é conhecido por estar no norte da Escócia, a implicação é que Azkaban está em algum lugar fora da costa de Yorkshire, Durham, Northumberland ou possível sul da Escócia.
