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

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

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