The Cathedral of Saint George is a 13th century Armenian church in Old Tbilisi, and is the seat of the Armenian archbishop. It is located in the south-western corner of Vakhtang Gorgasali Square (Meidani) and is overlooked by the ruins of Narikala fortress. In front of the church is the tomb of the famous Armenian poet and singer Sayat Nova, who was killed by the invading army of Agha Mohammed Khan, a Persian Knight, for refusing to denounce Christianity and convert to Islam.