《后汉书·列传·西域传》
于宾国地处西城，距长史所在的地方有五千三百里，距洛阳有一万一千七百里，管辖三万二千户：人口八万三千人，能当兵打仗的有三万多人。
于窴国，居西城，去长史所居五千三百里，去洛阳万一千七百里。领户三万二千，口八万三千，胜兵三万余人。
The Kingdom of Yu Pi was located in Xi Cheng, 5,300 li from the Longshi and 11,700 li from Luoyang. It governed 32,000 households, had a population of 83,000, and had over 30,000 who could serve as soldiers.