《水经注·卷二》
敦亮之水从西海流经尉犁国，都城尉犁城，西距都护治所三百里，北至焉誊一百里。
敦薨之水自西海径尉犁国。国治尉犁城，西去都护治所三百里，北去焉耆百里。
The Dunliang River flows west from the West Sea through the country of Wulei, the capital city of Wulei, which is 300 miles west of the governor's office and 100 miles north of Yanteng.