Melissia, Achaea
Melissia is a village and a community in Achaea, Greece, part of the municipal unit of Aigio. It is located 8 km south of Aigio, near the right bank of the river Selinountas. The community includes the villages Lakka and Pyrgaki. Melissia suffered damage from the July 2007 forest fires.
Population
| Year | Population | Community population |
| 1981 | 492 | - |
| 1991 | 427 | - |
| 2001 | 358 | 427 |
| 2011 | 317 | 343 |
| 2021 | 257 | 273 |