[4] Pasveh has a strategic location controlling the "easy" pass between the Lahijan district, in the Lesser Zab headwaters, and the Lake Urmia basin.

[5]: 79 According to Vladimir Minorsky, Pasveh represents the name and location of the ancient Parsua kingdom.

[5]: 79  Pasveh was a frontier outpost near the Parsua's southern border (their core territory was probably the fertile Solduz district further north).

[5]: 79  A century later, Hamdallah Mustawfi included an entry for it (here spelled Basavā or Pasavā) in his Nuzhat al-Qulub.

[6] He described it as a small town in the tuman of Maragheh whose surrounding agricultural district produced grain, grapes, and some other fruits; he said its tax value was assessed at 25,000 dinars.