Saint Mercurius Underground City: A Sacred and Mysterious World Beneath the Earth

Located in Kızılkaya Village near Aksaray, the Saint Mercurius Underground City is a remarkable site that carries the legacy of both the Roman Empire and early Christianity. The city is named after Saint Mercurius, a legendary figure who is believed to have defended his people against Roman imperial rule. A church built in his honor stands at the heart of the underground complex. As you descend deeper, you'll find yourself transported into a hidden chapter of history.

Highlights of Saint Mercurius Underground City

⛪ Saint Mercurius Church
One of the most striking structures in the underground city, this sacred space holds the earliest signs of Christian worship in the region. It is believed that special rituals dedicated to Saint Mercurius were once performed here.

🕳 Tunnels and Chambers
The city’s intricate maze of tunnels and rooms was built primarily for defense and shelter. Exploring these hidden passageways gives you a vivid sense of how underground life was organized and protected.

💧 Water Systems and Cisterns
Essential for underground survival, the cisterns and water channels here demonstrate the ingenuity of ancient engineers. These systems ensured access to clean water in times of siege or isolation.