|Administrative region||Central Macedonia|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
Polychrono (Greek: Πολύχρονο, Polýchrono, IPA: [poˈlixrono]) is a tourist town located in the eastern part of the peninsula of Kassandra, Chalkidiki, Greece. The population in 2011 was 997; the elevation is 10 metres (33 ft). Polychrono is situated on the northeastern coast of the peninsula, 4 km northwest of Chaniotis and 85 km southeast of Thessaloniki. There are forests in the mountains near Polychrono, and farmlands near the coast. Tourism is an important sector in Polychrono, attracted by its beach.
In the modern village is placed the site of ancient Neapolis, which in Roman times was rebuilt in a near place with remains of a Roman settlement.
- "Απογραφή Πληθυσμού - Κατοικιών 2011. ΜΟΝΙΜΟΣ Πληθυσμός" (in Greek). Hellenic Statistical Authority.
- D. Samsaris,The Roman Colony of Cassandreia in Macedonia (Colonia Iulia Augusta Cassandrensis), Dodona 16(1), 1987, 384–385.