Stratonicea (also Stratonikeia, Stratoniki, Stratonice) was an ancient city of Hellenistic foundation on the west coast of the Akte peninsula (now Mount Athos), a few km northwest of Cleonae; its site is at the modern village of Stratoni, Chalkidiki, Greece. Approximately 1 km distant are the ruins of Stageira, the birthplace of Aristotle. According to Claudius Ptolemy, the city was located on the Singitic Gulf.