Doric Tetrapolis

Tetrapolis (Greek: Τετράπολις) comprised a set of four closely situated cities in the valley of the Pindos River in the region of Doris in ancient Greece. The four cities were Erineus, Boium, Cytinium, and Pindus. (Strabo x. p. 427.)

Sources

•  This article incorporates text from a publication now in the public domain: Smith, William, ed. (1854–1857). "^{article name needed}". Dictionary of Greek and Roman Geography. London: John Murray.