{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_70602",
  "sys_id" : "hvd_70602",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "居延縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "居延县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Juyan Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "-104",
    "begin rule" : "4",
    "end" : "107",
    "end rule" : "2"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "41.83586",
    "longitude" : "101.16285",
    "source" : "FROM_FD",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今内蒙古额济纳旗东南哈拉和图",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "-104",
        "end year" : "8",
        "parent id" : "hvd_112755",
        "name" : "张掖郡",
        "transcribed" : "Zhangye Jun"
      },
      {
        "begin year" : "9",
        "end year" : "107",
        "parent id" : "hvd_112755",
        "name" : "张掖郡",
        "transcribed" : "Zhangye Jun"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
    ]
  },
  "data source" : "CHGIS",
  "source note" : "居延县（前104—107年）

西汉太初元年（前104）置居延县，属张掖郡，在今内蒙古额济纳旗东南哈拉和图。①
东汉107年，分置为张掖居延属国。②

注：
① 《汉书》卷28《地理志》下：“张掖郡，故匈奴昆邪王地，武帝太初元年开。莽曰设屏。户二万四千三百五十二，口八万八千七百三十一。县十：……居延，居延泽在东北，古文以为流沙。都尉治，莽曰居成。”（北京：中华书局，1962年，第6册，第1613 页。）又，顾祖禹：《读史方舆纪要》卷63《陕西》12：“居延城，在镇西北千二百里。”（北京：中华书局，2005年）另，《中国历史地名辞典》：“居延县，西汉置，治所在今内蒙古额济纳旗东南哈拉和图。”（南昌：江西教育出版社，1989年，第561 页。）
② 《后汉书》志23《郡国》5：“张掖居延属国，故郡都尉，安帝别领一城。户一千五百六十，口四千七百三十三。”（北京：中华书局，1965年，第3521 页。）",
  "source uri" : ""
}