Location from harry-potter-half-blood-prince by
Where Harry learns Voldemort's history through Pensieve memories — and where Dumbledore's portrait will hang after his death.
Harry visits this office regularly for his private lessons with Dumbledore. They watch memories together: Tom Riddle's orphanage, his grandmother, his mother's death, his time at Hogwarts, the murders. After Dumbledore's death, his portrait appears on the wall.
Circular room, silver instruments, phoenix perch, Pensieve.
Also known as: Dumbledore's office