'infernal region' definitions:

noun

(Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment; "Hurl'd headlong...To bottomless perdition, there to dwell"- John Milton; "a demon from the depths of the pit"; "Hell is paved with good intentions"-Dr. Johnson [syn: Hell, perdition, Inferno, infernal region, nether region, pit] [ant: Heaven]

noun

(religion) the world of the dead; "No one goes to Hades with all his immense wealth"-Theognis [syn: Hell, Hades, infernal region, netherworld, Scheol, underworld]