<?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_70217</uri> <spellings>    <spelling>      <written-form script="traditional Chinese">池陽縣</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <written-form script="simplified Chinese">池阳县</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <transcription system="Pinyin">Chiyang 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>627</begin>    <begin-rule>4</begin-rule>    <end>633</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>34.63850</degrees-latitude>    <longitude-direction>E</longitude-direction>    <degrees-longitude>108.81562</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_110748" from="627" to="633" >        <parent-name>雍州</parent-name>        <transcribed-name>Yong Zhou</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[      池阳县（627-633） 

贞观元年（627）改云阳为池阳。八年（634），改池阳为云阳县。属雍州。①治今陕西泾阳县云阳镇。② 

注：
①《旧唐书》第38?志第十八?地理一?京兆府：隋京兆郡，……武德元年，改为雍州。……贞观元年，废鹿苑入高陵县，废宁人、玉山入蓝田县，改云阳为池阳县，改华池为三原县。（中华书局，1975 年，5 册，1395 页）
②《太平寰宇记》卷31?关西道七?耀州：云阳县，后魏罢护军，更于今理别置云阳县，隋因之。今陕西泾阳县北有云阳镇，疑是。    ]]>  </source-note>  <source-uri>      </source-uri></placename>