Proastio, Karditsa
Proastio is a Greek village in the northern part of the Karditsa regional unit, Greece. Proastio was the seat of the former municipality Sellana. It had a population of 1,666 in 2011. It is located in a flat rural area, near the right bank of the river Pineios. It is 14 km north of Karditsa and 14 km southeast of Trikala.Population
| Year | Population |
| 1981 | 1,901 |
| 1991 | 2,012 |
| 2001 | 1,833 |
| 2011 | 1,666 |
