{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_44696",
  "sys_id" : "hvd_44696",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "永安縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "永安县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Yong'an Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "619",
    "begin rule" : "4",
    "end" : "733",
    "end rule" : "4"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "29.76407",
    "longitude" : "106.99210",
    "source" : "FROM_AC",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今四川长寿县西南大江南岸",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "619",
        "end year" : "733",
        "parent id" : "hvd_111098",
        "name" : "涪州",
        "transcribed" : "Fu Zhou"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
    ]
  },
  "data source" : "CHGIS",
  "source note" : "永安县（619—733年）<br><br>唐武德二年（619年）置，属涪州。①故治在今四川长寿县西南大江南岸。②开元二十二年（734年）省入乐温县。③<br><br>注：<br>①《新唐书》卷40《地理志四》：“涪州涪陵郡。武德元年以渝州涪陵镇置。……县五：涪陵，武德二年置，并置武龙县。又析涪陵、巴县地置永安县。开元二十二年省永安入乐温。宾化，本隆化，贞观十一年置，先天元年更名。武龙，乐温，武德二年析巴县地置，隶南潾州，后来属。”（第5册，1030页）<br>②《清嘉庆一统志》第143册卷388《重庆府二·古迹》：“永安废县，在长寿县西南。”<br>《太平寰宇记》卷120涪州乐温县：“唐武德三年又析渝州巴县地置，以县南乐温山为名。初置属南潾州。九年方改属涪州。……溶溪水源出县理北，南流经县东，又南流至废永安县东北二里注大江。永安故城，武德元年析涪陵、巴二县地于今州西南一百五十里置，以县北永安山为名。开元二年民以为非便，遂废。”（光绪金陵书局本）《清嘉庆一统志》第142册，卷387《重庆府一山川》：“龙溪，在长寿县东，自忠州垫江县流入，又西南入江。古名容溪，源出县理北，南流迳县东，又南至永安县东北二里，注大江。”此龙溪即今四川源出垫江县西南流入长寿县的龙溪河，在长寿县治东南入江。今知其入江处在永安县东北二里，则永安县当在长寿县西南大江南岸。<br>③见①。",
  "source uri" : ""
}