Ihlara valley has been formed at an approximate depth of 150 due that the erosion made by Melendiz river coming from the mountains of Melendiz to the volcanic rocks. Due that the richness of the watering possibility and its hidden form and easily to hide structure it was the first settlement place of the first Christians escaping from the Roman soldiers In the Ihlara Valley there are hundreds of antic churches caved in the volcanic rocks. The most known churches are Agacalti Church with cross plan, Sümbüllü Church, Pürenliseki Church, Kokar Church, Yilanli Church, Karagedik Church, Kirkdamatli Church, Direkli Church, Ala Church, Kemerli Church and Egritas Church.