Nea Poteidaia is a town in the Moudania municipal unit, in Chalkidiki, Greece. The location is the only land access to the Kassandra Peninsula. Built on the site of the ancient city of Potidaea, 33 kilometers south-west of Polygyros, it was re-founded in 1922 by Greek refugees from Platanos in Eastern Thrace and Kalolimnos which remained under Turkish rule. Today it has a population of 1,543 (2011).