Arteshtaran-salar (strictly transliterated as artēštārān-sālār, meaning "chief of the warriors") was a high office of the military of the Sasanian Empire.
[1] The Middle Persian titles artēštārān-sālār and wāst(a)ryōšān-sālār are both derived from the Avestan designations of the social classes vāstryō-fšuyant ("cattle-breeder") and raθaēštā ("warrior").
According to Procopius, the bearer of the title (in Greek: ἀδρασταδάραν σαλάνης adrastadáran salánēs) was "a generalissimo invested with quite exceptional powers" in the 500s AD.
[2] The first recorded bearer of the title is Kārd (or Kārdār), the third son of the chief minister Mihr-Narseh, per an account from Khwaday-Namag.
[1] The title disappears from records since the reign of Kavadh I, which means it was probably synonymous to Eran Spahbed and was made obsolete during Khosrow I's reforms.