Xaidulla, also spelled Shahidullah and Shahidula, also Saitula from Mandarin Chinese, is a town in Pishan County in the southwestern part of Xinjiang Autonomous Region, China. It is strategically located on the upper Karakash River, just to the north of the Karakoram Pass on the old caravan route between the Tarim Basin and Ladakh. It lies next to the Chinese National Highway G219 between Kashgar and Tibet, 25 km east of Mazar and 115 km west of Dahongliutan.