The Church of St Stepanos, or the Church of Stepanos, is the second most important Armenian Church in Iran. This building is located in East Azerbaijan province, 16 kilometers west of Jolfa city and 3 km from the southern coast of the Aras River through Iran local people in this area called Ghezel Vank (Red Monastery). The church was built in the 9th century but suffered serious damage caused by the earthquake that was restored during the Safavid period in Iran history. In the Qajar period, Abbas Mirza took steps to maintain it.
https://www.zandiyehgasht.com/saint-stepanos-monastery-in-iran/