infernal region vs Hell

infernal region and Hell both are nouns.

Word	Noun	Adjective	Verb	Adverb
infernal region	Yes	No	No	No
Hell	Yes	No	No	No

As nouns, infernal region and Hell are synonyms defined as:

infernal region and Hell: (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment

Other synonyms of infernal region include Inferno, nether region, perdition, pit.

As nouns, infernal region and Hell are synonyms defined as:

Other synonyms of infernal region include Hades, netherworld, Scheol, underworld.

infernal region (noun)	Hell (noun)
(Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment	(Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment
(religion) the world of the dead	(religion) the world of the dead