|Regional unit||East Attica|
|• Municipal unit||44.878 km2 (17.327 sq mi)|
|Highest elevation||156 m (512 ft)|
|Lowest elevation||0 m (0 ft)|
|• Municipal unit||3,728|
|• Municipal unit density||83/km2 (220/sq mi)|
|Time zone||UTC+2 (EET)|
|• Summer (DST)||UTC+3 (EEST)|
|Postal code||190 17|
Kalamos (Greek: Κάλαμος) is a town and a former community in East Attica, Greece. Since the 2011 local government reform it is part of the municipality Oropos, of which it is a municipal unit. The municipal unit has an area of 44.878 km2.
Kalamos is located 2 km from the South Euboean Gulf coast. The seaside village Agioi Apostoloi, 4 km to the east, is also part of the community of Kalamos. Kalamos is 4 km east of Markopoulo Oropou, 8 km north of Kapandriti and 36 km northeast of Athens.
- Agioi Apostoloi (pop. 1,904 in 2011)
- Kalamos (pop. 1,824)
|Year||Village population||Community population|
- "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.