|Administrative region||West Greece|
|• Municipal unit||345.1 km2 (133.2 sq mi)|
|Elevation||10 m (30 ft)|
|• Municipal unit||6,578|
|• Municipal unit density||19/km2 (49/sq mi)|
|• Population||2,732 (2011)|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
|Postal code||300 06|
Astakos (Greek: Αστακός, meaning "lobster") is a town and a former municipality in Aetolia-Acarnania, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Xiromero, of which it is a municipal unit. The municipal unit has an area of 345.099 km2. It is located on a bay on the eastern shore of the Ionian Sea, near the southern end of the Acarnanian Mountains. It takes its name from the ancient Acarnanian town Astacus (Ancient Greek: Ἄστακος - Astakos), and was named Dragamesti in the Middle Ages.
The municipal unit Astakos is subdivided into the following communities (constituent villages in brackets):
- Astakos (Astakos, Valti)
- Strongylovouni (Strongylovouni, Manina Vlizianon)
The city has a port able to hold ferries. The countryside mainly produces wheat, corn and few grapes. Fishing is an important source of income.
- Leo Leandros (1926) singer and composer
- Municipality of Astakos (in Greek)
- "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.
- Smith, William, ed. (1854–1857). "Astacus". Dictionary of Greek and Roman Geography. London: John Murray.