St. Gregory the Illuminator Cathedral of Yerevan is an ensemble of 3 churches which together seat nearly 2,000. Commissioned to commemorate the 1,700th anniversary of the adoption of Christianity as Armenia’s state religion, the main church symbolically seats 1,700. The two chapels have a capacity of 150 to 200 each. They are named after Tiridates and Ashkhen, the Armenian King and Queen who converted to Christianity in 301 CE and declared Christianity as the state religion. The total area of the church is 3,200 square meters (34,500 square feet).
The Holy Relics of St. Gregory the Illuminator are found near the main entrance to the cathedral, and were a gift to the Armenian Church by Pope John Paul II after spending many centuries at a church in Italy.