Archaeological survey of 200 sites in Greece: 2021–2025

Key facts

• The Swiss School of Archaeology in Greece (ESAG) identified over 200 ancient sites in the Eretrian plain region of Evia, Greece.
• The archaeological survey was conducted between 2021 and 2025 using Light Detection and Ranging (LiDAR) technology.
• The discovered sites document continuous human activity spanning a period of 6,000 years, from prehistoric settlements to the end of the 19th century.
• The survey mapped more than 30 square kilometres of land, identifying ancient farms, industrial quarries, and medieval roads.
• Findings include rock-cut olive presses and connections to the Sanctuary of Artemis at Amarynthos.
• Researchers utilised Geographic Information Systems (GIS) to analyse high-resolution 3D terrain maps of buried walls and ancient routes.
• According to the Hellenic Ministry of Culture, the region maintained a persistent agrarian population under Mycenaean, Roman, and Ottoman administrations.