位於今河南省洛陽市區。本為東周王城，又稱郟鄏；秦朝時置縣，屬三川郡；西漢屬河南郡；東漢、曹魏、西晉屬河南尹[1]；隋大業元年，煬帝在河南故城基營建新都洛陽[2]，此後河南縣一直是洛陽的附郭縣之一；金省入洛陽縣。
參考文獻
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