《水经注·卷十三》
此城在平城东南六七十里，对代城来说是在西北面。雁门水又往东南流，转弯流过一座老城，老城背靠山冈，面对沼泽，北方人俗称叱险城。
祁夷水西有随山，山上有神庙，谓之女郎祠，方俗所祠也。
This city is 60 or 70 li southeast of Pingcheng and northwest of Daicheng. The Yanmen River flows southeast and turns to flow through an old city. The old city is backed by mountains and faces the swamp. The northerners commonly call it Chixian City.