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Ancient Wall below the Library
This monumental stone wall is one of the most important surviving ancient structures in Ermioni. Although it was once believed to have formed part of the city's fortifications, archaeologists now consider it more likely to have been a retaining wall—a structure built to support the hillside and create a large, level terrace. This terrace could have accommodated important public buildings or served as an open space for religious ceremonies within the sanctuary. The exceptional quality of its construction and the careful workmanship of its stone blocks indicate that it was a major public work, most likely dating to the late 5th or the early 4th century BC. Today, several modern buildings have been constructed on top of the wall, illustrating how the ancient and modern history of Ermioni coexist within the same urban landscape.
The story of the monument
Τείχος ή τοίχος; Τελικά, ποιος ήταν ο λόγος ύπαρξης του;
Before you stands one of the most impressive ancient stone walls in Ermioni. For many years it was believed to be part of the city’s ancient fortifications. More recent archaeological research, however, suggests that it was most likely a retaining wall. In other words, it was built to support the hillside and create a large, level terrace on which important buildings could be constructed or an organised sacred precinct could be established. Another interpretation is that it may have served as a boundary wall marking the limits of the sanctuary.
The wall is built of large limestone blocks, carefully cut and fitted with remarkable precision. If you look closely at the joints, you will notice that the stones fit together almost perfectly, with very few gaps between them. This reflects the exceptional skill and craftsmanship of the ancient builders. In some places, you can also observe a distinctive masonry technique in which only the edges of the stones were finely dressed so that they fitted together precisely. This method was used in high-quality public monuments and is another indication of the importance of the structure.
In the illustration below, we have removed the modern buildings to help you imagine how the site may have looked in antiquity. Picture ancient buildings standing above the wall, or perhaps a large open space where religious ceremonies and festivals once took place.
Πατήστε πάνω στους αριθμημένους κύκλους για να ανακαλύψετε λεπτομέρειες για τον μνημειακό αναλημματικό τοίχο.
The surviving section of the wall is approximately 18 metres long. Archaeologists believe that it originally extended much farther, continuing southwards at both ends as part of a much larger construction. Today, modern buildings stand on top of the wall, including the Municipal Library of Ermioni and the Old School building, which is now used as a municipal storage facility.
In the photograph below, notice how some of the ancient stone blocks were cut to form steps, and how part of the wall continues into the neighbouring house.
Based on its construction technique, the wall is most likely dated to the late 5th or early 4th century BC. Archaeologists are also investigating the possibility that it was associated with the nearby Sanctuary of Chthonian Demeter, although this connection has not yet been conclusively established.