Слово "realm". Англо-русский словарь Мюллера

Once, Samanas had travelled through Siddhartha's town, ascetics on a pilgrimage, three skinny, withered men, neither old nor young, with dusty and bloody shoulders, almost naked, scorched by the sun, surrounded by loneliness, strangers and enemies to the world, strangers and lank jackals in the realm of humans.

Inferno is the underworld as described in Dante Alighieri’s epic poem The Divine Comedy, which portrays hell as an elaborately structured realm populated by entities known as “shades”—bodiless souls trapped between life and death.

Of these death-white realms I formed an idea of my own: shadowy, like all the half-comprehended notions that float dim through children’s brains, but strangely impressive.

We seemed like knights of some old legend, sailing across some mystic lake into the unknown realm of twilight, unto the great land of the sunset.

In the realm of economics, say, if you buy something:

"There is a realm in which the most acute and most experienced of detectives is helpless."