Derinkuyu is situated on Nevsehir-Nigde roadway at 30 km in south region of Nevsehir. The history of the district of Derinkuyu named as Melagobia (Malakopi) which was meaning in the period of Eti the hard living is very old. In the district there are many underground cities and churches. As all of the underground cities from region of Cappadoccia it was the first place where the Christians have hidden. It has been used as hiding and refuge place at the time of wars occurred in the zone in the different periods of the history. The Derinkuyu Underground City with seven floors and depth of 85 mt has the dimensions of a city able to shelter thousands of persons. Inside there are found food stores, kitchens, stalls, churches, wine production places, ventilation chimneys, water wells and a missionary school.
Pretty amazing stuff!