Vagharshapat Cathedral, also known as the Cathedral of Saint Gregory the Illuminator, is a prominent Armenian Apostolic church located in Vagharshapat, Armenia. It was built in the early 20th century and serves as the mother church of the Armenian Apostolic Church. The cathedral is named after Saint Gregory the Illuminator, the patron saint of Armenia, who is credited with converting the country to Christianity. The architecture of Vagharshapat Cathedral reflects traditional Armenian styles, featuring a large dome and intricate stone carvings. The cathedral is an important religious site and a symbol of Armenian heritage, attracting both pilgrims and tourists. It is part of the UNESCO World Heritage Site that includes several other significant churches in the region.