Arkham is a
fictional city in
Massachusetts, a couple of hours distance from
Boston, Massachusetts.
H. P. Lovecraft set many of his stories there and
Cthulhu Mythos writers have continued to feature the town in stories written since his death.
- Arkham House, a publishing company specialising in Cthulhu Mythos material
- Arkham Asylum, which may have been named in honour of Lovecraft's Arkham