Polykeraso (, before 1926: Τσερέσνιτσα – Tseresnitsa) is a village and a community in Kastoria Regional Unit, Macedonia, Greece.
In 1945, Greek Foreign Minister Ioannis Politis ordered the compilation of demographic data regarding the Prefecture of Kastoria.. The village Polykeraso had a total of 452 inhabitants, and was populated by 440 Slavophones with a Bulgarian national consciousness. "Πολυκέρασος, Πληθυσμός: 452, Σλαυόφωνοι: 440, Συνείδησις Βουλγαρική: ναι" The inhabitants speak the Popole variant of the Kostur dialect.Благой Шклифов. Костурският говор, София, 1973, стр. 4, 150-152
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