| Elaia | |
| Name Local: | Ελαία |
| Type: | community |
| Coordinates: | 41.6167°N 45°W |
| Periph: | East Macedonia and Thrace |
| Periphunit: | Evros |
| Municipality: | Orestiada |
| Municunit: | Trigono |
| Population As Of: | 2021 |
| Population: | 315 |
Elaia (Greek, Modern (1453-);: Ελαία meaning [[olive]]s, Bulgarian: Делиелес - Delieles) is a village in the northern part of the Evros regional unit, Greece. Elaia is in the municipal unit of Trigono. The village is located on the left bank of the river Arda. The nearest villages are Plati to its northeast and Fylakio to its south.
| Year | Population | |
|---|---|---|
| 1981 | 669 | |
| 1991 | 611 | |
| 2001 | 532 | |
| 2011 | 428 | |
| 2021 | 315 |
The village was founded during the Ottoman period by the Turks, its population was Bulgarian and Turkish. After its annexation to Greece, many Greeks from east of the Evros river began to inhabit the area.