|Regional unit||Central Athens|
|• Municipality||3.65 km2 (1.41 sq mi)|
|• Municipality density||9,700/km2 (25,000/sq mi)|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
Filadelfeia-Chalkidona (Greek: Φιλαδέλφεια-Χαλκηδόνα) is a municipality in the Central Athens regional unit, Attica, Greece. The seat of the municipality is the town Nea Filadelfeia. The municipality has an area of 3.650 km2.
The municipality Filadelfeia–Chalkidona was formed at the 2011 local government reform by the merger of the following 2 former municipalities, that became municipal units:
- "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.
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