Agia Lavra
Commune of Kalavryta, Greece · built 961
The Agia Lavra ("Holy Lavra") is an Eastern Orthodox monastery near Kalavryta, Achaea, Greece. It was built in 961 AD, on Chelmos Mountain, at 961 metres (3, 153 ft) above sea level, and can be described as the symbolic birthplace of modern Greece. It stands as one of the oldest monasteries in the Peloponnese.
Monastery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).