Nea Chalkidona (, meaning New Chalcedon) is a town and a suburb in the Athens agglomeration, Greece. Since the 2011 local government reform it is part of the municipality Nea Filadelfeia-Nea Chalkidona, of which it is a municipal unit. Nea Chalkidona is an inner suburb of Athens, located 5 km north of the city centre. Its built-up area is continuous with that of municipalities of Athens and the surrounding suburbs Agioi Anargyroi and Nea Filadelfeia. At 0.80 km2 it is the smallest municipal unit in the Athens metropolitan area. The A1 motorway (Athens–Thessaloniki–Evzonoi) and Greek National Road 1 pass through Nea Chalkidona. The nearest metro station is Ano Patisia metro station.

Historical population