|Coordinates: 40°12.1725′N 21°36.06′E / 40.2028750°N 21.60100°ECoordinates: 40°12.1725′N 21°36.06′E / 40.2028750°N 21.60100°E|
|Administrative region||West Macedonia|
|Elevation||857 m (2,812 ft)|
|• Population||311 (2011)|
|• Area (km2)||47.525|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
|Postal code||503 00|
Palaiokastro (Greek: Παλαιόκαστρο) is a village and a community of the Voio municipality. Before the 2011 local government reform it was part of the municipality of Siatista, of which it was a municipal district. The 2011 census recorded 239 inhabitants in the village and 311 inhabitants in the community of Palaiokastro. The community of Palaiokastro covers an area of 47.525 km2.
- Dafnero (population 72)
- Palaiokastro (population 239)
The first references of Paleokastro, are at year 1460 a.C., when after the fall of Constantinople hundreds inhabitants of the Macedonian region took refuge in the mountains to hide from the Ottomans.
At the end of the XIX century Paleocastro was a village in Nahiya Wreaths of the Ottoman Empire. The church "St. John the Baptist" has two inscriptions - the sanctuary of September 1834, mentioning Metropolitan Gerasim of Grevena and over the main entrance of October 1848, mentioning Metropolitan Ioakim of Grevena. The church "St. Nicholas" in the mountains Voice is built on the foundations of an older temple.
According to statistics of Vasil Kanchov in 1900, Paleokastro was a village in Kozani with 217 inhabitants Christian Greeks and 215 Muslim Greeks, but the ethnic card of the village is shown as a purely Greek. According to the secretary of the Bulgarian Exarchate Dimitar Mishev ( "La Macédoine et sa Population Chrétienne") in 1905 in Paleokastro has were 243 Christian Greeks.
According to statistics of the Greek consulate in Elassona 1904 Paleocastro is a village as 470 ethnic Greeks residents -the 100% of the population-.
The villagers participate actively in the Macedonian Struggle in early XX century.
During the Balkan War in 1912 the village enter the Greek State.
- "Απογραφή Πληθυσμού - Κατοικιών 2011. ΜΟΝΙΜΟΣ Πληθυσμός" (in Greek). Hellenic Statistical Authority.
- Kallikratis law Greece Ministry of Interior (Greek)
- "Population & housing census 2001 (incl. area and average elevation)" (PDF) (in Greek). National Statistical Service of Greece.