Paliokastro, Trikala

Paliokastro () is a former municipality in the Trikala regional unit, Thessaly, Greece. Since the 2011 local government reform it is part of the municipality Trikala, of which it is a municipal unit. It is located in the east-northeastern part of the regional unit. Its population was 2,732 at the 2011 census, and it has a land area of 197.878 km². The seat of the municipality was in the town of Palaiopyrgos (pop. 904). Its largest other towns are Krinítsa (pop. 596), Zilevtí (483), Ardáni (374), and Agreliá (184).