The Red Church is an Armenian church that took this name because it was made of red cut stone. V or VI of the Red Church. It is estimated that it was built in the centuries. The church is located in Sivrihisar village of Güzelyurt district of Aksaray province.

Source:

https://tr.wikipedia.org/wiki/K%C4%B1z%C4%B1l_Kilise_(Sivrihisar)