The Monastery of Agia Lavra is one of the oldest monasteries in Greece and especially in the area of the Peloponnese. The monastery is located about 4.5 km away from the city of Kalavrita at the foot of Mount Velia and is dedicated to the Assumption of the Virgin Mary. Its history is related to the beginning of the Greek Revolution of 1821, the raising of the flag, and the swearing of the chiefs by the bishop Germanos III of Old Patras. The monastery has a rich library with rare books and documents.
There are 3,000 publications, the oldest dating back to 1502. It has a museum with unique relics from the Greek Revolution. Among them, the famous flag raised by the bishop Germanos III of Old Patras proclaiming the Revolution of 1821 which was also the first flag of the Greek Nation. There are also the Epitaph of 1754 embroidered in Izmir and the icon of St. George embroidered in Istanbul.