{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_70369",
  "sys_id" : "hvd_70369",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "保安縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "保安县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Baoan Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "1172",
    "begin rule" : "4",
    "end" : "1911",
    "end rule" : "6"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "37.17207",
    "longitude" : "109.51595",
    "source" : "FROM_AC",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今陕西子长县安定镇",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "1172",
        "end year" : "1279",
        "parent id" : "hvd_88275",
        "name" : "保安州",
        "transcribed" : "Bao'an Zhou"
      },
      {
        "begin year" : "1280",
        "end year" : "1911",
        "parent id" : "hvd_116044",
        "name" : "延安府",
        "transcribed" : "Yan'anfu"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
    ]
  },
  "data source" : "CHGIS",
  "source note" : "保安县（1172-1911）

金大定十二年置，属保安州。①元属延安府，明、清因之。② 治今陕西子长县安定镇。③ 

注：
①《金史》卷26?志第七?地理下?鄜延路：保安州，下，刺史。宋保安军，大定二十二年升为州。……县一、保安大定十二年以保安军置。（中华书局，1975 年，2 册，648-649 页）
②《元史》卷60?志第十二?地理三?延安路：保安，金为保安州，至元六年，降为县。（中华书局，1976 年，5 册，1425 页）《明史》卷42?志第十八?地理三?延安府领保安县。（中华书局，1974 年，4 册，1001 页）《清史稿》卷63?志第三十八?地理十?陕西?延安府领保安县。（中华书局，1976 年，8 册，21 页）
③《嘉庆重修一统志》卷233?延安府?城池?安定县城：周五里有奇，门四，池深一丈，明初建。（《四部丛刊续编》，商务印书馆，1934 年，14 册）",
  "source uri" : ""
}