{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_35060",
  "sys_id" : "hvd_35060",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "樂陽郡",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "乐阳郡",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Leyang Jun",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "郡",
    "alternate name" : "郡",
    "transcription" : "jun",
    "English" : "commandery"
  },
  "temporal" : {
    "begin" : "502",
    "begin rule" : "4",
    "end" : "589",
    "end rule" : "4"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "22.73931",
    "longitude" : "109.41909",
    "source" : "FROM_FD",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今广西横县东周塘村",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
    ],
    "subordinate units" : [
      {
        "begin_year" : "502",
        "end_year" : "589",
        "child id" : "hvd_43867",
        "name" : "乐阳县",
        "transcribed" : "Leyang Xian"
      }
    ],
    "preceded by" : [
    ]
  },
  "data source" : "CHGIS",
  "source note" : "乐阳郡（502-589年）编写者：张修桂

梁天监元年（502年），析宁浦郡置1。郡治乐山县，治所在今广西横县东周塘村。境域相当今广西横县东南部地区和浦北县北部地区2。隋开皇十年（590年），废为县，属简州3。
————————————————————
1，《隋书》卷31?地理下?郁林郡：“梁置定州，后改为南定州。平陈，改为尹州。大业初改为郁州。统县十二：郁林，旧置郁林郡，平陈郡废，大业初又置郡，又废武平、龙山、怀泽、布山四县入；郁平；领方，梁置领方郡，平陈郡废；阿林；石南，陈置石南郡，平陈郡废；桂平，梁置桂平郡，平陈郡废。大业初又废皇化县入；马度；安成，梁置安成郡，平陈郡废；宁浦，旧置宁浦郡，梁分立简阳郡，平陈，郡废，置简州，十八年改为绿州，大业二年州废；乐山，梁置乐阳郡，平陈改为乐阳县，十八年改名焉；岭山，梁置岭山郡，平陈改为岭县，十八年改为岭山，大业初并武缘县入；宣化，旧置晋兴郡，平陈废为县，开皇十八年改名焉。”（中华书局，1973年，3册，884页）。
2，据所领各县位置，境域相当今广西横县东南部地区和浦北县北部地区。
3，见注1。",
  "source uri" : ""
}