The Thesprotia Expedition is a large research project of the Finnish Institute at Athens, begun in 2004. The project has included a regional survey project based on an intensive archaeological field survey, combined with a study of all available historical sources and the use of different geoarchaeological, geophysical, and palynological methods. It has also included trial excavations at five sites ranging in date from the Bronze Age to the Roman periods. This volume is the third in the final publication series