Κύδνα, πόλις Μακεδονίας. Θεαγένης ἐν Μακεδονικοῖς. ἣ κατὰ παραφθορὰν Πύδνα λέγεται. τὸ ἐθνικὸν Πυδναῖος. ἔστι καὶ Κύδνος ποταμὸς Κιλικίας.
Kydna, a city of Macedonia. Theagenes in his *Makedonika*. It is, through a corruption of the name, called Pydna. The ethnic adjective is Pydnaios. There is also the Kydnos, a river of Cilicia.