39°20′19.65″N45°3′25.53″E / 39.3387917°N 45.0570917°E /39.3387917; 45.0570917TheAvarayr Plain (Armenian:Ավարայրի Դաշտ) is the location of theBattle of Avarayr in 451, and is described as being along the banks of theṬłmut River (Տղմուտ գետ) (Rūd-e Zangemār,Iran), apparently the Armeno-Persian frontier at that time.[1] At the time, the Avarayr plain was part of the Armenian region ofVaspurakan. The plain is located today in northwestern Iran close to the village ofChors near the border withNakhchivan.