| Valtos | |
| Name Local: | Βάλτος |
| Type: | community |
| Periph: | East Macedonia and Thrace |
| Periphunit: | Evros |
| Municipality: | Orestiada |
| Population: | 225 |
| Population As Of: | 2021 |
| Coordinates: | 41.5333°N 47°W |
| Licence: | OP |
Valtos (Greek, Modern (1453-);: Βάλτος) is a village in the municipality of Orestiada in the northern part of the Evros regional unit in Greece. It is 17 km west of the centre of Orestiada. The nearest larger village is Fylakio to its northwest. Valtos was annexed to Greece in 1920.
| Year | Population | |
|---|---|---|
| 1981 | 708 | |
| 1991 | 660 | |
| 2001 | 565 | |
| 2011 | 403 | |
| 2021 | 225 |