Amyrgians

"[3] The full name of this tribe in Persians Achaemenid inscriptions is Sakā haumavargā (𐎿𐎣𐎠 𐏐 𐏃𐎢𐎶𐎺𐎼𐎥𐎠), that is the Sakas who lay hauma (around the fire).

[1][4] The country of the Sakā haumavargā may have been the same place named as Mujavant in Indo-Aryan literature, where it appears in close connection with Gandhāra and Bahlika.

The Haumavargā most likely lived somewhere between the Caspian Sea and the Pamir Mountains, and to the north of the Oxus, near the Bactrians and Sogdians, possibly in the region corresponding to modern-day Tashkent or Dushanbe around Fergana, or across a large region stretching from Margiana to the upper Oxus river, or between the Altai and Pamir mountains, or in the territory corresponding to the modern-day Afghan district of Monjan in the upper Kokcha valley.

[1] Based on Herodotus's list of the units of the Achaemenid army, within which the Amyrgii and the Bactrians together were under the command of Hystaspes, the scholar Willem Vogelsang locates the Sakā haumavargā to the immediate north and east of Bactria.

[18][19] After Cyrus had been mortally wounded by the Derbices and their Indian allies, Amorges and his Saka army helped the Persian soldiers defeat them.