1- It is in Derinkuyu district, on the Nevşehir-Niğde highway and 30 kilometers from Nevşehir.
2- The eight-storey Derinkuyu Underground City, built thanks to the geological formation of the Cappadocia region, consists of spaces that can accommodate a large community and meet their needs.
3- Unlike Kaymaklı Underground City, which is another example in the region, Derinkuyu also has a missionary school, a confession place, a baptismal pool and an interesting well.
4- Derinkuyu’s first inhabitants date back to the Assyrian colonies.
5- The first Christians who escaped from the persecution of the Roman Empire in the II. century, came to Cappadocia from Antakya and Kayseri and settled here.
6- The first Christians who established the underground cities in the region were able to escape from the persecution of the Roman soldiers by hiding in these cities whose entrances were not easily noticed.
7- Since they may have to live without going out for a long time in underground cities, they have expanded their living spaces by building food stores, ventilation chimneys, wineries, churches, monasteries, water wells, toilets and meeting rooms.
8- In these cities, which consist of interconnected rooms, some rooms are connected by tunnels that are narrow enough for only one person to pass through.
9- There are large stone cylinders at the entrance and exit of the tunnels that are used to close the tunnel for security reasons.
10- It acomodated about 50.000 people.