Panayia Yiatrissa - Credit: Wikimedia Commons
The Monastery of Panayia Yiatrissa is an Orthodox Christian monastery located in the southern Peloponnese of Greece. The monastery was erected on the site of the ruins of an ancient temple of Athena. The conversion of the temple from pagan to Christian took place possibly as early as 382 AD. Read more on Wikipedia
Source: en.wikipedia.org