In Porto Germeno, inside the ancient bailey of Aigosthena, someone could find the ruins of the old-christian basilica, which is built in the early 6th century, with mosaic floor at its narthex and at its middle aisle. The south aisle was connected to the baptism place, in the center of which there was a built font. During the middle-Byzantine period (9th – 13th century) there was built – mainly with ancient material of second use – an elegant little church sacred to Virgin Mary, on the southest of the arch of the ruined basilica. The monument has some inscriptions, as, for example, the sacred phrase ‘’ πόλεως Αιγοσθενειτών ‘’ to the son of Great Konstantinos, who is Flavios Klavdios Konstantinos, which was found to the northeast corner. Due to the left ruins, of the surrounding space, speculations are made for the existence of a church. Some coins, also, have been found, hich seem to belong Konstantinos the 8th The Gladiator and to Manuil the 1st The Komninos, which leads us to the safe conclusion that the church ‘’was active’’ in the 11th and 12th century.

To the north of Oinoi, on the southeast side of Pastra at an altitude of 520 meters, in a pine-covered area, lies the monastery of St. Meletios, which enchants visitors with its stunning views available to the plain of Oinoi and mountains of Kitheron and Pastra.Established in the second about half of the 11th century by Saint Meletios, fan of complete landlessness, who founded another 24 dependencies due to the large number of believers and students who had gathered around him. The dependencies are located in various areas of Attica and few survive today. The choice of this anhydrous and completely deserted place -in gnarled term Kitheronas at the boundary of Attica and Viotia near Myoupoli, which coincides with the ancient Oinoi-is due to the effort of Meletios to live isolated in order to devote himself to the ascetic life integral .Nevertheless, immediately after installation, crowds of believers began to flock there. Thus, some cells were constructed. Over time, the monastery began to expand. Emperor Alexios Komninos A, in fact gave to the monastery of St. Meletios privileges and revenues from Attica taxes.

Thus, Saint Meletios managed to develop spiritual and charitable activities of the monastery. The church of the monastery was erected in the 12th century; it is a cruciform small church. Some fragments of wall paintings are the only witnesses of the original painted decoration of the 12th century. In the nave and unadorned -the spacious narthex of monastic temples- frescoes dating from the 17th century. At this point I will refer indicatively to some of the paralafria, the dependencies, annexes that is- of St. Meletios Monastery in Western Attica. One of these is Zoodohos Pigi at village Pyli (formerly Dervenosalesi) of the late 12th century, which must have been known as the Monastery of Sterna. Also, the two churches of St. George in Erythres (Kriekouki) and Pournari at Oinoi, both standing today, were paralafria of the monastery. The church in Kriekouki, built in the 12th century, saves a lot of good art murals of 1790. A fourth paralafrio of the monastery of St. Meletios was Agia Paraskevi at Pournari in Oinoi, built in the 12th century and is now in ruins. Finally, west of the monastic complex of St. Meletios, in virgin pine forest, there is a chapel of the 12th century, dedicated to Saint Theodoros. One of the capitals of this temple, dating back to the 12th century, stands in the yard of the monastery of St.Meletios. The scholars derive data about the history of the monastery of the two lives of St. Meletios, written by his contemporary, Theodore Prodromos and Bishop of Methoni Nicholas, 36 years after the saint's death in 1141, when the monastery numbered 300 monks. Furthermore, many elements are resulting from the correspondence of Michael Choniates, the learned Metropolitan of Athens, with the abbot of the monastery.

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Agios Nikolaos in Akres of Megara -built on the foot of mount Pateras, south of the ridge Ntoskoyri- is located at about 4 km north of the settlement, near the Monastery of Panachrantos. It’s a cross-in-square temple with dome, in which can be found second used columns and column capitals. The base of the perirrhanterion made from crimson stone in the west side of the church, is also quite remarkable. This monument can be estimated in the 13th-15th century.

Saint John (Agios Ioannis) The Faster, is considered to be the greatest church of Aspropirgos. It is placed between Stefani and Mulki, about 2 km southeast of the settlement, on our way to Athens, the land, where it was built, it is considered, from both the tradition and recent findings, to belong to the estate of Pasas Stefan, and that is why the name ‘’Stefani’’ is still the same. Besides, even nowadays, any visitor can see the ruins of this estate. However, the time that this estate became property of Pasas Stefan’s, remains still a mystery. But, if we do accept the fact that the church was built in the late of the 16th century, this area must became his property later, since it was impossible for someone to build a church within a Turkish land. The church is a one- placed and on the way building with a Cross-roof and it exists since the middle of the 16th century and the beginnings of the 17th century. This type of building is a ‘’degenerated’’ type of church with Cross-roof, influenced enough by the Cycladic architecture.

The walls of the church had writings on them. But, the saved wall-paintings, are hard to be discerned, due to the plastering to the bottom of the walls, but also, due to a thick layer of smoke, which has covered some of these. The first wall- painting, at least of the inner sanctuary must be temporary or almost temporary with its erection, while the decoration of the inner arch in the church, has come later. In the meanwhile, two aspects on this subject were expressed. The first aspect supports that, probably the arch was demolished in 1701, when the wall-paintings of the main church were destroyed, and that’s why no layer has been found before. After the destruction, it was renewed, without bringing back the painted decoration, but only the rest of the church. The second aspect on this subject, which is more likely to be valid, supports that the whole church was illustrated, except from the sanctuary, as the painted decoration of the latter had been done earlier, in 1701, as it appears. Later, probably during the Orlovans (1770- 1779), the arch was destroyed and then built again the way it is today. This aspect seems more accurate, because of the form of the arch, on the one hand, and of a graffiti that exists on the flatland of Saint Nicolas (Agiou Nikolaou) on the other hand, where it’s inscribed the following, ‘’1880 ολ(η)κτίσθη’’, and probably it refers to its construction. Lastly, the second aspect also, explains the lack of painted décor in the arch.

The temple is dedicated to the Transfiguration of Christ or St. Saviour as called and was built in 1893.Turn years back during the Turkish occupation. Then in Vilia there were three parishes, Panagitsa and Agios Dimitrios one, St. Athanasius the second and the third Archangels. With the liberation from the Turks the then Ministry of Ecclesiastical Affairs and Public Education that is the current Ministry of Education in the year 1858 held that the town Eidyllia (the then name of Vilia) consisted of a single parish, that of the Archangels, and so it happened. The sacred temple of Brigadiers predated the church of Transfiguration but after the union of parishes in 1858 in the major holidays could not serve all residents of Eidyllia region thereby establishing the need to construct a new temple. The temple was small in size compared with the population of the region and thus created the need to construct a new larger church.