洞(dong)(dong)(dong)庭(ting)湖,古(gu)稱云(yun)夢、九江(jiang)和重湖,處于長江(jiang)中(zhong)游荊江(jiang)南岸。洞(dong)(dong)(dong)庭(ting)湖北納長江(jiang)的松滋、太平、藕池、調(diao)弦四(si)口來水,南和西接(jie)湘、資、沅、澧(li)四(si)水及汨羅江(jiang)等小(xiao)支流,由岳陽(yang)市城(cheng)陵磯注(zhu)入長江(jiang)。洞(dong)(dong)(dong)庭(ting)湖古(gu)代曾(ceng)號稱“八百里洞(dong)(dong)(dong)庭(ting)”。