Mutanen Olukwumi rukuni ne na Yarabawa na yankin Aniocha ta Arewa a jihar Delta, Najeriya . Olukwumi ya mamaye al'ummu guda takwas yamma da kogin Neja, kuma yau an san su tare da dangin Odiani a ƙasar Anioma. A tarihi, Odianis sune dangin Yarbawa a yankin al'adun Anioma. Garin Ukwu Nzu (Eko Efun) shine hedikwatar tarihi na mutanen Olukwumi kuma bisa ga al’ada Obi na Ukwu Nzu, Agbogidi ne ke shugabanta A halin yanzu Obi shine HRM Obi Ogoh 1. Ƙauyukan Olukwumi suna zaɓar shugabanni ta hanyar tsarin Okpala Obi, wanda shine Okpala (gerontocracy) na Yarbawa. Odianis a yau ana ganin su Igbos ne a cikin jihar Delta, tare da Ezechime wanda da kuma dangin Idumuje. Mutanen Anioma sune ƙaramar ƙungiyar Igbo daga Aniocha (Enuani da Olukwumi), Ndokwa (Ukwuani), Ika, da Oshimili na jihar Delta. Olukwumi ƴan asalin yankin ne da ke yamma da gaɓar kogin Neja na dama. Yankin yana da wadatattun wuraren ajiyar Alli da Kaolin wanda aka fi sani da "Nzu" a yaren Igbo da kuma "Efun" a yaren Yarbanci, wanda a al'adance mutanen yankin suke hako shi kuma suke amfani dashi don wasu al'adu daban-daban.