Dilesi is a village and a municipal unit in Boeotia, Greece. It is part of the municipality of Tanagra, of which it is a municipal unit. The municipal unit consists of the communities Dilesi and Plaka Dilesi, both on the coast of the South Euboean Gulf. The population is 4,425 (2021). It is served by the Dilesi railway station, on the line from Chalcis to Athens. The municipal unit Dilesi was created in 2014 from parts of the municipal units Oinofyta and Schimatari.