The underground city in the center of Özlüce Village, whose old name was "Zile" is 6 km west of Kaymakli town on Nevsehir - Derinkuyu highway.
At the entrance, there is a place having two arches interlocked to each other. After that, through a passage of 15 m made of rubble stones, the main tuff rock is reached. The places made of stone providing access to the underground city are newer in comparison with the rock - carved locations forming the main underground city. At the end of this corridor, the bolt stone made of hard granite stone having a diameter of 1.75 m exists.
The main place at the entrance is the largest area of the underground settlement and consists of