Ancient worlds · Cappadocia, Türkiye · expanded in the Byzantine era

The Underground City of Derinkuyu

Established800 BCE – 1923 CEDerinkuyu, Nevşehir, Türkiye

A city carved downward into volcanic rock, built to hide thousands of people.

Research draft · editor review pending. Every claim below is linked to a checked source, but this dossier has not yet been reviewed by a human editor. Spot an error? Corrections are logged.

Beneath the town of Derinkuyu lies a multi-level complex cut into the soft volcanic tuff of Cappadocia. Its chambers include stables, wine and oil presses, storage rooms, refectories and chapels, linked by narrow passages that could be sealed from the inside with rolling stone doors.

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Connected dossiers

Petra: The Rose-Red CityComparable case · Both are settlements carved from rock and engineered around water and climate.

Göbekli TepeSame region · Both lie in Anatolia, thousands of years apart.

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How to read the labels

EstablishedSupported by strong, converging evidence.

ContestedEvidence exists but qualified scholars disagree.

UnresolvedThe question is open; evidence does not settle it.

LegendComes from myth, literature or tradition, not physical evidence.

SpeculativeA hypothesis with little direct evidence so far.

Hero image: A passage inside the Derinkuyu underground city, Cappadocia. Photo: Nevit Dilmen · CC BY-SA 3.0 · via Wikimedia Commons. Evidence labels describe the written claims, not the image. Version 1 · updated 2026-10-22.