Tsitsernavank Monastery built
401 CE.
Shown on the map at 39.644°, 46.408°.
Tsitsernavank (Armenian: Ծիծեռնավանք) is a fifth-to-sixth century Armenian Apostolic monastery in the Lachin District of Azerbaijan. The monastery is within five kilometers of the border of Armenia's province of Syunik, in an area historically known as Kashataghk (Armenian: Քաշաթաղք). In Azerbaijan, the monastery is called Aghoghlan (Azerbaijani: Ağoğlan); the state refuses to recognize the monastery as Armenian Apostolic, instead falsely referring to it as "Caucasian Albanian".
Text from the Wikipedia article Tsitsernavank Monastery, licensed CC BY-SA 4.0.