The Armenian Church in Isfahan is rooted in Armenian Apostolic Christianity, one of the oldest Christian traditions in the world. The community belongs to the Armenian Apostolic Church, an Oriental Orthodox church that traces its origins to the 1st century and officially adopted Christianity as a state religion in Armenia in 301 CE, making Armenia the first Christian nation. In Isfahan, this faith is centered around Vank Cathedral, located in the Armenian quarter of New Julfa. The church follows