| Loutros | |
| Name Local: | Λουτρός |
| Type: | community |
| Coordinates: | 40.8833°N 29°W |
| Periph: | East Macedonia and Thrace |
| Periphunit: | Evros |
| Municipality: | Alexandroupoli |
| Municunit: | Traianoupoli |
| Population As Of: | 2021 |
| Population: | 595 |
Loutros (el|Λουτρός) is a village and a community in the southern part of the Evros regional unit in Greece. It is part of the municipal unit of Traianoupoli. Its population in 2021 was 595 for the community, including the villages Loutra Traianoupoleos (thermal baths) and Pefka. It is located on a small river between low hills, east of Alexandroupoli, on the edge of the coastal plains of the Aegean Sea.
| Year | Village population | Community population | |
|---|---|---|---|
| 1912 | 160 | - | |
| 1981 | 1,367 | - | |
| 1991 | 1,223 | - | |
| 2001 | 1,049 | 1,148 | |
| 2011 | 713 | 769 | |
| 2021 | 548 | 595 |