{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_70372",
  "sys_id" : "hvd_70372",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "義川縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "义川县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Yichuan Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "581",
    "begin rule" : "4",
    "end" : "650",
    "end rule" : "4"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "36.28440",
    "longitude" : "110.13022",
    "source" : "FROM_AC",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今陕西宜川县云岩镇",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "581",
        "end year" : "606",
        "parent id" : "hvd_110243",
        "name" : "延安郡",
        "transcribed" : "Yan'an Jun"
      },
      {
        "begin year" : "607",
        "end year" : "616",
        "parent id" : "hvd_110243",
        "name" : "延安郡",
        "transcribed" : "Yan'an Jun"
      },
      {
        "begin year" : "617",
        "end year" : "617",
        "parent id" : "hvd_110244",
        "name" : "丹阳郡",
        "transcribed" : "Danyang Jun"
      },
      {
        "begin year" : "618",
        "end year" : "650",
        "parent id" : "hvd_110881",
        "name" : "丹州",
        "transcribed" : "Dan Zhou"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
      {
        "preceded by id" : "hvd_70371",
        "name" : "丹阳县",
        "transcribed" : "Danyang Xian"
      }
    ]
  },
  "data source" : "CHGIS",
  "source note" : "义川县（581-650）

隋开皇元年（581）改丹阳为义川，属延安郡。义宁元年（617）属丹阳郡。唐武德元年（618）属丹州。①治今宜川县云岩镇。② 

注：
①《隋书》卷29?志第二十四?地理上?延安郡：义川西魏置汾州、义川郡，后改州为丹州。后周改县为丹阳。开皇初郡废，改县曰义川，又废乐川郡入。大业初州废，又废云岩县入焉。（中华书局，1973 年，3 册，811 页）
②《宜川乡土志?城池》云岩镇，县北八十里，后魏置县，今为镇，城址尚存。（中国方志丛书?华北地方?第312 号，（台湾）成文出版社，1970 年，第10 页）",
  "source uri" : ""
}