Paliokastro () is a former

municipality A municipality is usually a single administrative division having municipal corporation, corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality' ...

in the Trikala regional unit,

Thessaly Thessaly ( ; ; ancient Aeolic Greek#Thessalian, Thessalian: , ) is a traditional geographic regions of Greece, geographic and modern administrative regions of Greece, administrative region of Greece, comprising most of the ancient Thessaly, a ...

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...

. Since the 2011 local government reform it is part of the municipality

Trikala Trikala () is a city in northwestern Thessaly, Greece, and the capital of the Trikala (regional unit), Trikala regional unit. The city straddles the Lithaios river, which is a tributary of Pineios (Thessaly), Pineios. According to the Greek Natio ...

, of which it is a municipal unit. It is located in the east-northeastern part of the regional unit. Its population was 2,316 at the 2021 census, and it has a land area of 197.878 km². The seat of the municipality was in the village of Palaiopyrgos (pop. 773). Its largest other communities are Krinítsa (pop. 540), Zilevtí (387), Ardáni (324), and Agreliá (145). The name of the municipality comes from the greek words παληο, paleo + κάστρο, kastro meaning "old castle" (from the name of the village Palaiopyrgos, "old tower").

References

Populated places in Trikala (regional unit) Trikala {{Thessaly-geo-stub el:Δήμος Τρικκαίων#Παληοκάστρου