| Dadia | |
| Name Local: | Δαδιά |
| Type: | community |
| Periph: | Eastern Macedonia and Thrace |
| Periphunit: | Evros |
| Municipality: | Soufli |
| Population: | 409 |
| Population As Of: | 2021 |
| Coordinates: | 41.1333°N 39°W |
| Licence: | EB |
| Georegion: | Western Thrace |
Dadia (Greek: Δαδιά) 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.
| Year | Village population | Community population | |
|---|---|---|---|
| 1981 | 826 | - | |
| 1991 | 737 | - | |
| 2001 | 800 | 823 | |
| 2011 | 533 | 546 | |
| 2021 | 403 | 409 |
Dadia is situated on the western edge of the lower Evros valley, at the foot of wooded hills. Dadia Forest is a well known nature reserve, in which endangered species of birds of prey, including Aquila heliaca and Aquila pomarina, find refuge.