Church of Gregory the Theologian in Nazianzus/Karballa/Güzelyurt (Cappadocia) (AD 500s)

The Church of Gregory the Theologian was built during the reign of emperor Justinian, in the 500s. It is also known as the “Red Church” because blocked local red volcanic stones were used to build it. Standing alone in a field, it is located around four miles (7 km) south of the modern town of Güzelyurt, in the province of Aksaray.

The church is cross-shaped with a central dome standing on an octagonal drum. The drum has several windows allowing light into the church. Although it has been damaged through the years, the only addition to the original building is the narthex. Restoration work on the church began in 2011.