It is a central domed structure.Sisavank cathedral is situated in Sisavan – the regional center of Sisian. It was constructed in 7th century by Kohazat prince of Syunik by the support of Hovsep bishop of Syunik and Theodoros monk.
The monastery of Tatev was the religious center of historical Syunik princedom. For many times the monastery was destroyed by attacks, foreign invasions and earthquakes.