Now, 2,000 years ago, we are told that from Pʻi-shan you go east to Khoten 380 li (120 miles), and from Pʻi-shan you got north-west to Yarkand exactly the same distance. Hence both ancient and contemporary Pʻi-shan must be the first considerable town north of Shahidula, in the immediate neighbourhood of Sanju.
Source: wiktionary
In how far the name of that time was bound to the western mountains is already proved by the observation that the Ts'ung-ling is not mentioned at all in the adjoining mountainous regions to the north and south, viz., first on the line from Wen-su (Uch-Turfan) to the Wu-sun, on Issik-köl. and secondly from P'i-shan (on the Kiliang River to the west of Khoan) viâ Wu-ch'a to North-western India⁵.
Source: wiktionary
The Novabad national rural area in the Guma (P'i-shan) county made up of three settlements with a population of 512, of whom 480 are Tadzhiks, 27 Uygurs, and five Kirgiz.
Source: wiktionary