Dadia is a village and a community in the northwestern part of the Evros regional unit, Eastern Macedonia and Thrace, Greece. Dadia is in the municipality of Soufli. Its population in 2021 was 409 for the community, including the village Kotronia. It is located southwest of Soufli and north of Feres. The name originates from a resinous pine wood which in the p…Dadia is a village and a community in the northwestern part of the Evros regional unit, Eastern Macedonia and Thrace, Greece. Dadia is in the municipality of Soufli. Its population in 2021 was 409 for the community, including the village Kotronia. It is located southwest of Soufli and north of Feres. The name originates from a resinous pine wood which in the past was used for lighting.