"The Nameless City" is a horror story written by H. P. Lovecraft

H. P. Lovecraft

Howard Phillips Lovecraft --often credited as H.P. Lovecraft — was an American author of horror, fantasy and science fiction, especially the subgenre known as weird fiction....

 in January 1921

1921 in literature

The year 1921 in literature involved some significant events and new books.-New books:*Edgar Rice Burroughs – Tarzan the Terrible*James Branch Cabell – Figures of Earth*Hall Caine – The Master of Man*Willa Cather – Alexander's Bridge...

 and first published in the November 1921 issue of the amateur press journal The Wolverine. It is often considered the first Cthulhu Mythos

Cthulhu Mythos

The Cthulhu Mythos is a shared fictional universe, based on the work of American horror writer H. P. Lovecraft.The term was first coined by August Derleth, a contemporary correspondent of Lovecraft, who used the name of the creature Cthulhu - a central figure in Lovecraft literature and the focus...

 story.
Lovecraft said that the story was based on a dream, which was in turn inspired by the last line of Lord Dunsany's story "The Probable Adventure of the Three Literary Men", quoted in the story itself: "the unreverberate blackness of the abyss".

Another identified source is the 9th Edition of the Encyclopædia Britannica, whose description of "Irem

Iram of the Pillars

Iram of the Pillars , also called Aram, Iram, Irum, Irem, Erum, Wabar, Ubar, or the City of a Thousand Pillars, is a lost city on the Arabian Peninsula.-Introduction:Ubar, a name of a region or a name of a people, was mentioned in ancient records, and was spoken of in folk...

, the City of Pillars" he copied into his commonplace book: "which yet, after the annihilation of its tenants, remains entire, so Arabs say, invisible to ordinary eyes, but occasionally, and at rare intervals, revealed to some heaven-favoured traveller."

Critic William Fulwiler argues that Edgar Rice Burroughs

Edgar Rice Burroughs

Edgar Rice Burroughs was an American author, best known for his creation of the jungle hero Tarzan and the heroic Mars adventurer John Carter, although he produced works in many genres.-Biography:...

' At the Earth's Core

At the Earth's Core (novel)

At the Earth's Core is a 1914 science fiction novel by Edgar Rice Burroughs, the first in his series about the fictional "hollow earth" land of Pellucidar. It first appeared as a four-part serial in All-Story Weekly from April 4–25, 1914. It was first published in book form in hardcover by A. C...

was one of Lovecraft's primary inspirations for "The Nameless City", citing "the reptile race, the tunnel to the interior of the earth, and the 'hidden world of eternal day'" as elements common to both tales.