PIERIA, in Ancient Geography, a district of Macedonia, contained between the mouths of the rivers Ludias and Pencus; extended by Strabo beyond the Ludias, to the river Axios on the north, and on the south no farther than the Aliaemon, along the west side of the Sinus Thermaicus.—Another Pieria of Syria, the north part of Seleucia, or the Antiochena, situated on the Sinus Issicus, and lying next Cilicia to the northwest.