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Historical Armenian fortress
Aphumon, also Aphum or Aphoum, was a Sasanian city fortress and the main fortification in the district of Arzanene in Armenia. It functioned as a frontier stronghold and was the site of various battles during the Roman-Persian wars.
References
Sykes, Sir Percy (1915). A History of Persia. Macmillan and Company, limited. p. 516.
Greatrex, Geoffrey; Lieu, Samuel N. C. (29 June 2005). The Roman Eastern Frontier and the Persian Wars AD 363-628. Routledge. p. 167. ISBN978-1-134-75646-9.