|• Population||1,666 (2011)|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
Proastio (Greek: Προάστιο, 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. 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.
- "Απογραφή Πληθυσμού - Κατοικιών 2011. ΜΟΝΙΜΟΣ Πληθυσμός" (in Greek). Hellenic Statistical Authority.
- Name changes of settlements in Greece