Greece is famous for its beautiful monasteries and churches and the island of Kefalonia is no exception. One of the most famous religious temples of the island is the monastery of St. Andrew. It is located about 10 km from Argostoli, near the ruins of the castle of St. George and near the village of Peratata.

According to some written sources, the Holy monastery was located here during the Byzantine era. In 1579 three spiritual sisters of Benedict, Leontia Magdalene and founded on the spot where once stood the chapel of St. Andrew, a small convent. In 1630-ies of the Greek-Romanian Princess Roxanne donated for the renovation and expansion of the Church a large sum of money, and later she became a nun of the monastery, renamed Romilo (painting, which depicts a nun with her parents, and now kept in the monastery). In the early 19th century, during the British rule between the British and the nuns had a conflict. Worship in the monastery for some time was suspended and the magnificent frescoes for many years hidden under a thick layer of plaster.

In 1953 Kefalonia island suffered greatly from the devastating earthquake. The monastery of St. Andrew was virtually destroyed. The only structure that survived – the main Church room. Then in the monastery Church sprinkle the plaster, revealing people the amazing frescoes of the 13th century, representing the highest artistic value. The monastery was restored, and in the old katholikon is the Byzantine Museum, which was founded in 1988 on the initiative of the Bishop of Kefalonia. In the Museum's collection of relics Dating back to the years 1300-1900, many of which were collected from different churches of Kefalonia, which was destroyed during the earthquake. Among the Museum exhibits a unique collection of Byzantine icons, Church utensils, vestments, manuscripts and more.

The main relic of the monastery is certainly right-foot Andrew.