DerinkuyuDerinkuyu (also known as Elengubu, Cappadocian Greek: Μαλακοπή Malakopi; Turkish: Derinkuyu Yeraltı Şehri) is an ancient multi-level underground city near the modern town of Derinkuyu in Nevşehir Province, Turkey, extending to a depth of approximately 85 metres (280 ft).
What city has the most underground cities?
Cappadocia city, located in central Turkey, is home to no less than 36 underground cities, and at a depth of approx. 85 m, Derinkuyu is the deepest.