# Potiri Castle

- **Country:** Greece
- **Coordinates:** 38.487004, 24.146778
- **Century Built:** Frankish/Venetian period
- **Location Text:** Avlonari

Potiri Castle is a medieval fortress situated on the western slopes of Mount Ochthonia in the center of the Greek island of Euboea. Located southeast of the village of Avlonari, the site occupies a strategic position that allowed it to serve as a key administrative hub during the late medieval period. While the exact year of its initial construction is not explicitly recorded in surviving documents, the fortress is first attested in historical records from 1426. At that time, it was known by the Venetian name castel de comun dito Potiris and functioned as a vital Republic of Venice stronghold. It served as the official seat for one of the two captains governing the local district, sharing this regional responsibility with the nearby Castle of Cuppa.

Architecturally, the castle was designed as a functional military installation typical of Venetian fortifications in Greece. Today, the site exists primarily as ruins, though significant structural elements remain visible to visitors. These remnants include sections of the original curtain wall and a standing tower that once formed part of the defensive perimeter. Within the castle grounds, there is also a church dedicated to the Panagia, indicating that the complex likely supported a small community or garrison with religious facilities alongside its military duties. The presence of these specific structures highlights the dual nature of the site as both a defensive outpost and a local center of life.

The historical significance of Potiri Castle lies in its role as evidence of Venetian influence and control over Euboea during the fifteenth century. As part of the broader network of fortifications protecting Venetian interests in the Aegean, it played a crucial part in the region's geopolitical landscape before the Ottoman expansion. Currently, the castle stands as an archaeological site and a testament to the island's turbulent medieval history. Although it no longer serves an active military or residential purpose, the remaining walls and tower offer valuable insights into the engineering and strategic planning of the era, making it a point of interest for those studying the medieval heritage of Central Greece.

![Photo of Potiri Castle](https://upload.wikimedia.org/wikipedia/commons/6/62/%CE%9A%CE%91%CE%A3%CE%A4%CE%A1%CE%9F_%CE%A0%CE%9F%CE%A4%CE%97%CE%A1%CE%99.jpg)

**Source:** https://en.wikipedia.org/wiki/Potiri_Castle (Wikipedia, CC BY-SA)