Theisoa, Greece
Theisoa is a mountain village in the municipal unit Andritsaina, Elis, southwestern Greece. Theisoa is situated on a mountain slope above the left bank of the river Alfeios, 3 km southeast of Matesi, 3 km northeast of Rovia, 6 km northeast of connected Andritsaina and 8 km northwest of Karytaina. The Greek National Road 76 passes through the village.
Population
| Year | Population |
| 1981 | 134 |
| 1991 | 198 |
| 2001 | 129 |
| 2011 | 89 |
| 2021 | 50 |
Notable people
- Ioannis Paraskevopoulos banker and politician, former Prime Minister of Greece.