Ναζιανζού, known as Nazianzus in English, is an ancient city located in modern-day Turkey. It was part of the region of Cappadocia and is historically significant for its early Christian heritage. The city is best known as the birthplace of Gregory of Nazianzus, a prominent theologian and one of the Cappadocian Fathers, who played a crucial role in the development of early Christian doctrine. The city was situated on a hill, providing a strategic vantage point and contributing to its historical importance. Today, the site is recognized for its archaeological remains, which reflect the rich cultural and religious history of the area during the Byzantine period and beyond.