Proastio (, before 1962: Παραπράσταινα - Paraprastaina) is a Greek village in the northern part of the Karditsa regional unit, Greece. Proastio was the seat of the former municipality Sellana.
Proastio (, formerly known as Paraprastaina) is a Greek village situated in the northern part of the Karditsa regional unit. Proastio previously functioned as the administrative center of the former municipality Sellana.