<?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_70354</uri> <spellings>    <spelling>      <written-form script="traditional Chinese">河西縣</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <written-form script="simplified Chinese">河西县</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <transcription system="Pinyin">Hexi 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>620</begin>    <begin-rule>4</begin-rule>    <end>759</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>35.21700</degrees-latitude>    <longitude-direction>E</longitude-direction>    <degrees-longitude>110.14478</degrees-longitude>    <geo-source>FROM_FD</geo-source>    <present-location>    </present-location>  </spatial>  <historical-context>    <part-of-relationships>      <part-of parent-id="hvd_110659" from="620" to="633" >        <parent-name>西韩州</parent-name>        <transcribed-name>Xihan Zhou</transcribed-name>      </part-of>      <part-of parent-id="hvd_111039" from="634" to="741" >        <parent-name>同州</parent-name>        <transcribed-name>Tong Zhou</transcribed-name>      </part-of>      <part-of parent-id="hvd_111039" from="742" to="759" >        <parent-name>同州</parent-name>        <transcribed-name>Tong Zhou</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[      河西县（620-759）

唐武德三年析郃阳置，属西韩州。①贞观八年（634）废西韩州，县属同州。②治今郃阳县西城.③

注：
①《唐书》卷37?志第二十七：地理一?同州冯翊郡，夏阳，本河西，武德三年析郃阳置，又以河西、郃阳、韩城置西韩州。（中华书局，1975 年，5 册，966 页）
②《嘉庆一统志》卷244?同州府二：古迹?唐夏阳旧县，……贞观八年废西韩州，以县属同州。（《四部丛刊续编》，商务印书馆，1934 年，15 册）
③《嘉庆一统志》卷244?同州府二：古迹?唐夏阳旧县，在合阳县东。本合阳县地，唐时析置，《元和志》夏阳县，西南至同州一百三十里，武德三年分合阳于此置河西县，在河之西因以为名。又割同州之合阳、韩城二县于今县理置西韩州，取古韩国为名，以河东有韩州，故此加西。贞观八年废西韩州，以县属同州。乾元三年改为夏阳县。《唐书?地理志》同州夏阳县，乾元三年隶河中，后复来属。《九域志》熙寕三年省夏阳县为镇入合阳县。《金史?地理志》合阳县有夏阳镇。《县志》唐夏阳故县在县东南四十里又名河西城。（《四部丛刊续编》，商务印书馆，1934 年，15 册）    ]]>  </source-note>  <source-uri>      </source-uri></placename>