g overn or ) ▁of ▁M ede a ▁in ▁the ▁A cha emen id ▁emp ire , ▁who ▁ruled ▁a ▁region ▁found ▁in ▁modern ▁Iran ian ▁A zer ba ij an ▁called ▁At rop at ene . ▁At rop ates ▁name ▁is ▁believed ▁to ▁be ▁derived ▁from ▁the ▁Old ▁Pers ian ▁roots ▁meaning ▁" protected ▁by ▁fire ." ▁ ▁The ▁name ▁is ▁also ▁mentioned ▁in ▁the ▁Av est an ▁Fra ward in ▁Y as ht : ▁â ter ep â ta he ▁as ha on ô ▁fra v ash î m ▁ ý az ama ide ▁which ▁transl ates ▁literally ▁to : ▁" We ▁worship ▁the ▁F rav ashi ▁of ▁the ▁holy ▁At are - p ata ." ▁According ▁to ▁the ▁Encyc lo pa edia ▁of ▁Islam : ▁" In ▁Middle ▁Pers ian ▁the ▁name ▁of ▁the ▁province ▁was ▁called ▁ Ā t ur p ā t ā k ā n , ▁older ▁new - Pers ian ▁ Ā d har b ā dh ag ā n ▁( آ ذ ر ب ا د گ ا ن / آ ذ ر آ ب ا د گ ا ن ), ▁ Ā d har b ā y ag ā n , ▁at ▁present ▁ Ā zer b ā yd j ā n / Ā zar b ā yd j ā n , ▁Greek ▁At rop at í ni ▁( <0xE1> <0xBE> <0xBF> Α τ ρ ο π α τ ή ν η ), ▁By z antine ▁Greek ▁Ad rav ig án on ▁( <0xE1>