Lasiona (Greek: Λασιώνα) is a former municipality in Elis, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Archaia Olympia, of which it is a municipal unit. The municipal unit has an area of 119.528 km2. Its seat of administration was the village Antroni. Lasiona is situated in a mountainous area on the border with Achaea, 20 km north of Olympia, 27 km northeast of Pyrgos and 50 km south of Patras. The Greek National Road 33 (Patras - Tripoli) passes through the municipal unit.
|Administrative region||West Greece|
|• Municipal unit||119.5 km2 (46.1 sq mi)|
|Elevation||580 m (1,900 ft)|
|• Municipal unit||1,312|
|• Municipal unit density||11/km2 (28/sq mi)|
|Time zone||UTC+2 (EET)|
|• Summer (DST)||UTC+3 (EEST)|
- "Απογραφή Πληθυσμού - Κατοικιών 2011. ΜΟΝΙΜΟΣ Πληθυσμός" (in Greek). Hellenic Statistical Authority.
- Kallikratis law Greece Ministry of Interior (in Greek)
- "Population & housing census 2001 (incl. area and average elevation)" (PDF) (in Greek). National Statistical Service of Greece. Archived from the original (PDF) on 2015-09-21.