(n): the extended spatial location of something
(n): a very intense and uncontrolled fire
(n): the event of something burning (often destructive)
(n): (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment
(n): a place that exists only in imagination; a place said to exist in fictional or religious writings
Dante's vision of Hell and environs qualifies as the devil's playground. See Free Association.