Zvartnots Cathedral (Armenian: Զուարթնոց տաճար (classical); Զվարթնոց տաճար (reformed); literally 'celestial angels cathedral') is a 7th-century centrally planned aisled tetraconch type Armenian cathedral built by the order of Catholicos Nerses the Builder from 643-652. Now in ruins, it is located at the edge of the city of Vagharshapat (Etchmiadzin) in Armavir Province of Armenia.