Magistrate attested in Apollonia Pontica in 425-339 BC. See F. M. Fraser / E. Matthews, A Lexicon of Greek Personal Names.
Vol. IV Macedonia. Thrace. Northern Regions of the Black Sea (2005), p. 235 s.v. ΜΗΤΡΟΔΩΡΟΣ (inscription); E. Paunov, The
tetradrachm coinage of Apollonia Pontica: Iconography, issues and magistrates, in: D. Boteva (ed.), Ex Nummis Lux: Studies
in Honour of Dimitar Draganov (2017), 59-87, p. 67 n. 24, p. 77 issue 33 (ΜΗΤΡΟΔΩΡΟΣ).