The city is bordered on the east by Maoming Municipality (茂名市); on the south by Wuchuan City (吴川市), Potou District (坡头区) and Suixi County (遂溪县), all in Zhanjiang; on the west by Anpugang Harbour (安铺港, part of the Gulf of Tonkin) and Beihai, in Guangxi Province; and on the north by Yulin.