Church of St. Nerses the Great, is located in the city of Martuni, Karabakh. For the capital of this province see Martuni (town; for the town in Gegharkunik province Armenia see Martuni Armenia; for the village in Shamkir Rayon Karabakh (Qarabağ Ղարաբաղ is a geographic and historic region in western Azerbaijan and southern Armenia, extending from the highlands of the Lesser It is dedicated to the famous Armenian Catholicos, St. Nerses the Great. The Catholicos of All Armenians (plural Catholicoi, due to its Greek origin is the Chief Bishop of Armenia 's national church the Armenian Saint Nerses I the Great was an Armenian Catholicos (or Patriarch) who lived in the fourth century