韓(han)州城(cheng)(cheng)(cheng)遺址位于通遼市(shi)科左后旗浩坦蘇木(mu)五(wu)家子(zi)嘎查1000米(mi)處。該城(cheng)(cheng)(cheng)方(fang)圓數十公里,為(wei)(wei)平(ping)原沙丘(qiu),地勢開闊(kuo),塘泥河自(zi)北經東(dong)西(xi)城(cheng)(cheng)(cheng)墻(qiang)向西(xi)南流去(qu),成(cheng)為(wei)(wei)該城(cheng)(cheng)(cheng)的天然護城(cheng)(cheng)(cheng)河。城(cheng)(cheng)(cheng)墻(qiang)為(wei)(wei)夯土板筑(zhu),細密堅(jian)實(shi),殘高3.5米(mi)。城(cheng)(cheng)(cheng)址東(dong)西(xi)距(ju)離985米(mi),南北距(ju)離700米(mi)。城(cheng)(cheng)(cheng)有四(si)門,有甕城(cheng)(cheng)(cheng)保護。全(quan)城(cheng)(cheng)(cheng)共(gong)建(jian)馬面23座(zuo)。城(cheng)(cheng)(cheng)內建(jian)筑(zhu)遺址三(san)(san)處,為(wei)(wei)官署(shu)遺跡。韓(han)州乃遼代重鎮,系遼圣(sheng)宗(zong)耶律隆緒并三(san)(san)河、榆州所置,隸屬(shu)東(dong)京道。它曾三(san)(san)遷治所,此遺址為(wei)(wei)初的治所,距(ju)今約有千年(nian)歷史(shi)。
2013年5月,被國務院(yuan)核(he)定公布為第七批全國文物(wu)保(bao)護(hu)單位。