Haiphong iguta riri pamhenderekedzo yegungwa riri pamuromo weRwizi rweCấm (Rwizi rweCấm), kuchamhembe kwakadziva kumabvazuva kwemahombekombe eVietnam, makiromita zana nemakumi maviri kumabvazuva kweHanoi. Bhiriji reBinh rinopfuura neCam uye rinobatanidza guta neDunhu reThủy Nguyên. Iyo ine huwandu hwenzvimbo yakasikwa ye152,318.49ha (2001). Inoganhurana neQuảng Ninh Province kuchamhembe, Hải Dương Province kumadokero, Thái Bình Province kumaodzanyemba, uye Gulf of Tonkin kumabvazuva. Chitsuwa cheLong Vi, Cat Ba Island uye Long Châu Islands, iri muGulf, inotarisirwawo sechikamu cheguta. Mubvunzo: Haiphong iri kupi?
muromo weRwizi rweCấm