<?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_43023</uri> <spellings>    <spelling>      <written-form script="traditional Chinese">同安縣</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <written-form script="simplified Chinese">同安县</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <transcription system="Pinyin">Tong'an 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>598</begin>    <begin-rule>4</begin-rule>    <end>612</end>    <end-rule>4</end-rule>  </temporal>  <spatial>    <object-type>POINT</object-type>    <xy-type>point</xy-type>    <latitude-direction>N</latitude-direction>    <degrees-latitude>30.69371</degrees-latitude>    <longitude-direction>E</longitude-direction>    <degrees-longitude>117.21059</degrees-longitude>    <geo-source>FROM_AC</geo-source>    <present-location><br />
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     </present-location>  </spatial>  <historical-context>    <part-of-relationships>      <part-of parent-id="hvd_33492" from="598" to="606" >        <parent-name>熙州</parent-name>        <transcribed-name>Xi Zhou</transcribed-name>      </part-of>      <part-of parent-id="hvd_33493" from="607" to="612" >        <parent-name>同安郡</parent-name>        <transcribed-name>Tong'an Jun</transcribed-name>      </part-of>    </part-of-relationships>    <subordinate-units><br />
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      <subordinate-unit sys-id="" from="" to="" ><br />
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        <name></name><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>同安县（598—612年）<br><br>隋开皇十八年（598年）改枞阳县曰同安县，属熙州。大业三年（607年）改属同安郡。①治所即今安徽枞阳县治。②大业九年（613年）移治今桐城市治。<br><br><br>①《隋书》卷31《地理志下》：同安郡：“开皇初曰熙州。……怀宁，旧置晋熙郡。开皇初郡废。大业三年置同安郡。……同安，旧曰枞阳，并置枞阳郡。开皇初郡废，十八年县改名焉。”（第3册，876页）<br>②《清嘉庆一统志》第36册，卷110《安庆府二古迹》：“枞阳故城：……《旧志》元至正十九年，陈友谅之党赵普胜据安庆结寨枞阳，即旧县也。《县志》：今有枞阳上下镇，在县东南一百二十里。西去府城六十里。明初置税务局于此。正德中革。”即今枞阳县治。<br>③《太平寰宇记》卷125舒州桐城县：“县山旧城，按开元二十二年移县出山城前置。其城内丛蓧深密，猛兽为窟，其中兼出毒蛇，邑人久为之患。元和八年县令韩震焚烧草木，裁植松杉，今亦荒废。”“同安故城在县郭东门外。隋大业九年筑。十三年被贼李子通攻陷。因废此城，人因以为名。”（光绪金陵书局本）按：上文所述。隋大业九年（613年）所筑之城，在唐开元二十二年以后桐城县城东门外。在图中两县治可视为一地。《清嘉庆一统志》第36册，卷110《安庆府二古迹》：“《县志》：宋末移桐城县治枞阳镇。后又移治池州之李阳河。元时始还旧治。”“旧治”当即指唐宋桐城县治，即今桐城县治也。道光七年《桐城续修县志》卷4《营建志》：“城郭，县旧有城，即隋同安县故址。……历宋元城经两徙，故城倾圯。明万历丙子，知县曲周陈于偕……建造砖城，……今仍其旧。”可知隋后之桐城县治即今治也。</body></html>    ]]>  </source-note>  <source-uri>      </source-uri></placename>