<?xml version="1.0" encoding="UTF-8"?><placename>  <system>China Historical GIS, Harvard University and Fudan University</system>  <license>CC BY-NC 4.0</license>  <uri>https://chgis.hudci.org/tgaz/placename/hvd_40417</uri> <spellings>    <spelling>      <written-form script="traditional Chinese">海陽縣</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <written-form script="simplified Chinese">海阳县</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <transcription system="Pinyin">Haiyang Xian</transcription>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>  </spellings>  <feature-type>    <name>县</name>    <alternate-name>縣</alternate-name>    <transcription>xian</transcription>    <translation lang="en">county</translation>  </feature-type>  <temporal>    <begin>479</begin>    <begin-rule>0</begin-rule>    <end>588</end>    <end-rule>0</end-rule>  </temporal>  <spatial>    <object-type>POINT</object-type>    <xy-type>point</xy-type>    <latitude-direction>N</latitude-direction>    <degrees-latitude>31.72677</degrees-latitude>    <longitude-direction>E</longitude-direction>    <degrees-longitude>120.92117</degrees-longitude>    <geo-source>FROM_FD</geo-source>    <present-location>    </present-location>  </spatial>  <historical-context>    <part-of-relationships>      <part-of parent-id="hvd_32375" from="479" to="506" >        <parent-name>晋陵郡</parent-name>        <transcribed-name>Jinling Jun</transcribed-name>      </part-of>      <part-of parent-id="hvd_32435" from="507" to="588" >        <parent-name>信义郡</parent-name>        <transcribed-name>Xinyi Jun</transcribed-name>      </part-of>    </part-of-relationships>    <subordinate-units><br />
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        <transcribed-name></transcribed-name>      </subordinate-unit>    </subordinate-units>  </historical-context>  <data-source>CHGIS</data-source>  <source-note>    <![CDATA[      <html><body>海阳县（479——588）治所<br><br>南朝齐置，治所在今江苏常熟县北。隋开皇九年（589）平陈废。<br><br>南朝齐置，⑴治所在今江苏常熟县北，⑵属晋陵郡。南朝梁改属信义郡。⑶陈因之。⑷隋开皇九年（589）平陈废。⑸<br><br>⑴南朝梁·萧子显：《南齐书》卷14《州郡上》晋陵郡下有海阳县（北京，中华书局，1972年王仲荦等校点本，1册，247页）<br>宋·史能之纂修：《咸淳毗陵志》卷1《地理一·郡县表》：“置海阳县。《南齐州郡志》晋陵郡凡七县，视宋《志》增海阳，阙初置年月。”（《宋元方志丛刊》，中华书局，1990年，3册2964页）<br>《读史方舆纪要》卷24《江南六》海阳废县：“在县北。……萧齐于其地置海阳县，属晋陵郡。梁改属信义郡。隋平陈，废郡，以所领海阳、前京、信义、海虞、兴国、南沙六县俱并入常熟县。”（北京，中华书局，2册，1116页）<br>因无具体设治年代，暂以南齐开国之建元元年（479）为置县年代。<br>⑵海阳县治所，史无明确记载，《读史方舆纪要》只说在常熟县北。现据谭其骧主编《中国历史地图集》第四册，定点在今常熟县东北浒浦、梅李东。<br>⑶《补梁疆域志》信义郡有海阳县（《二十五史补编》，北京，中华书局，1956年，4册，4373页）。<br>⑷《补陈疆域志》信义郡下有海阳县（《二十五史补编》，北京，中华书局，1956年，4册，4449页）。<br>⑸唐·魏徵：《隋书》卷31《地理下》：“常熟，旧曰南沙，梁置信义郡，平陈废，并所领海阳、前京、信义、海虞、兴国、南沙入焉。”（北京，中华书局，1973年汪绍楹等校点本，3册，877页）</body></html>    ]]>  </source-note>  <source-uri>      </source-uri></placename>