{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "http://tgaz.fudan.edu.cn/tgaz/placename/hvd_42141",
  "sys_id" : "hvd_42141",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "義安縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "义安县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Yi'an Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "590",
    "begin rule" : "3",
    "end" : "590",
    "end rule" : "4"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "23.66771",
    "longitude" : "116.63666",
    "source" : "FROM_AC",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今广东省潮州市潮安县",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "590",
        "end year" : "590",
        "parent id" : "hvd_34173",
        "name" : "循州",
        "transcribed" : "Xun Zhou"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
      {
        "preceded by id" : "hvd_42140",
        "name" : "海阳县",
        "transcribed" : "Haiyang Xian"
      }
    ]
  },
  "data source" : "CHGIS",
  "source note" : "<html><body>义安县（590-590年）治所（张修桂编写）<br><br>隋开皇十年（590年）以海安县改名，属循州（1）。治所即今广东省潮州市潮安县（2）。开皇十一年（591年）复于义安县置潮州，县复改名为海阳（3）。<br>————————————————————<br>（1），《元和郡县图志》卷34?岭南道?潮州：“隋开皇十年罢郡省海阳县，仍于郡廨置义安县，以属循州。十一年，于义安县立潮州，一潮流往复，因以为名。大业三年罢州为义安郡，武德四年复为潮州。”海阳县：“郭下。本汉揭阳县地，晋于此立海阳县，属义安郡。隋开皇十年省郡，废海阳入循州，十一年置潮州，又立海阳县以属焉。”（北京，中华书局，下册，894-895页）。据此，作隋开皇十年罢义安郡时，改郡治海阳县为义安县；十一年于义安县复置义安郡时，遂复改义安县为海阳县<br>（2），《嘉庆一统志》卷446?潮州府?古迹?海阳故城：“在海阳县东。…《舆地纪胜》引《图经》云，州治旧在鸭湖。”（《四部丛刊续编》，商务印书馆，1934年，166册）。未见其后迁入今县记载，疑《一统志》故县在县东之说，实指清海阳县治之东，即今潮安县城区内，鸭湖也当在其内。《中国历史地图集》以县东二十五里之鸭洋当鸭湖，如此长距离迁治，《一统志》当有迁今治的下文，故不从。作古今同治处理，治所即今广东省潮安县。<br>（3），见注1。</body></html>",
  "source uri" : ""
}