Archaia Pydna

Pydna (; Greek: Πύδνα, Pýdna) is a small town and a former municipality in the northeastern part of Pieria regional unit, Greece. Since the 2011 local government reform it is part of the municipality Pydna-Kolindros, of which it is a municipal unit. The municipal unit has an area of 105.059 km2, the community 41.334 km2. Pydna is situated in fertile land close to the Thermaic Gulf coast. The main village of the former municipality is Kitros. It lies 6 km north of Korinos, 8 km south of Methoni and 13 km northeast of Katerini. The A1 motorway and the Piraeus–Platy railway (nearest station at Korinos) pass east of the village.

==Population== {| class=wikitable ! Year !! Community!! Municipal unit |- | 1981 || 1,882 || - |- | 1991 || 1,789 || 4,678 |- | 2001 || - || 4,012 |- | 2011 || 1,206 || 3,258 |- | 2021 || 1,085 || 2,591 |}