A
- Abaja-Ngwo
- Abbi
- Abia
- Abonuzu
- Abor
- Abudu-Isu
- Achalla-Owa-Olo
- Acharichank-Pume
- Achi
- Achi
- Adaba
- Adani
- Adda
- Adu-Achi
- Afa
- Afam
- Affa
- Afor-Ugwu
- Aforoye
- Agamede
- Agba
- Agbaja-Owa
- Agbaliji
- Agbani
- Agbogazi
- Agbogugu
- Agbudu
- Agobi-Iwolo
- Aguenyi
- Aguoba-Umumba
- Aguobu-Owa
- Aguobu-Umana
- Aguobu-Umumba
- Aguobu-Umumba
- Aka
- Akama-Oghe
- Ake-Eze
- Ake-Eze Ukwu
- Akpa
- Akpa-Edem
- Akpakume
- Akpanya
- Akpochi
- Akpoga
- Akpoga-Ndiagu
- Akpugo
- Akpugo
- Akpugu
- Aku
- Akukwa
- Akwu-Achi
- Ama-Awji
- Amabanba
- Amabiriba
- Amachara
- Amadim-Olo
- Amadim-Olo
- Amagu
- Amagu
- Amagunze
- Amala
- Amankwo
- Amankwo
- Amansiodo
- Amaofu
- Amaogudu
- Amaowele
- Ameke-Ngwo
- Ameta
- Ameze
- Amibo
- Amofea-Agu
- Amokwe
- Amokwo
- Amokwue-Affa
- Amokwue-Obukpa
- Amono
- Amono
- Amufi
- Amurri
- Anike-Umumba-Ndiogu
- Aro Ake Eze
- Asaba
- Atugbuoma
- Awgu
- Awgu Market
- Ayo
- Azungene-Umumba-Ndiagu
I
O
- Obe
- Obeagu
- Obeagu
- Obeagu
- Obeagu
- Obelagu-Obimo Leja
- Obiago
- Obimo
- Obinagu
- Obinagu-Affa
- Obinefu-Nenwe
- Obioma
- Obollo-Afor
- Obolo-Eke
- Obolo-Eke (1)
- Obuagu
- Obukpa
- Obule-Inyi
- Oduma
- Ogbaku
- Ogbaku-Ndiagu
- Ogbede
- Ogbo-Uvuru
- Ogbodu-Aba
- Ogboli
- Ogbosine
- Ogboso
- Oghe
- Ogo-Ndago
- Ogrita
- Ogugu
- Ogunta
- Ogwafia
- Oha
- Ohaja-Agwu
- Ohali-Achi
- Ohebo
- Ohum
- Oji River
- Oji River Settlement
- Ojinato
- Ojjor
- Okinano
- Okpakeke
- Okpaku
- Okpata
- Okpatu
- Okpo
- Okpogho
- Okposi
- Okpu
- Okpudo-Umana
- Okpueze-Umumba
- Okpuwo-Imeze
- Okuje
- Okutu
- Olele
- Oliemba
- Olo
- Oloafor
- Omanze
- Omudi
- Onitsha-Agu
- Onoafor
- Onoli
- Onome
- Onuba
- Opanda
- Opi
- Orba
- Oruku
- Osu
- Overo
- Ovim
- Ovoko
- Owele
- Owelle
- Owo
- Ozala
- Ozalla
- Ozi-Edem
U
- Ubeagu
- Uda
- Udi
- Ugbenu-Olo
- Ugbewe
- Ugbobo-Ani
- Ugboho
- Ugboka
- Ugbokpara
- Ugene-Akibite
- Uguoba
- Ugwaka
- Ugwogo
- Ugwojoro
- Ugwu-Anya
- Ugwuafor
- Ugwuaji
- Ugwueme
- Ugwuoba
- Ugwuoba
- Ukana
- Uke
- Ukehe
- Ukpabi-Nimbo
- Ukpulugu
- Ukume
- Ukworoko
- Umabo
- Umana-Umuawo
- Umeka
- Umobor
- Umokpara
- Umosigide
- Umuabi
- Umuagu
- Umuagu
- Umualo
- Umualu-Ugwuoba
- Umuatugbuoma
- Umudim
- Umudim
- Umudim
- Umuida
- Umulona
- Umulumgbe
- Umumba
- Umumba-Uno
- Umundi
- Umunko
- Umunoka-Affa
- Umuovu
- Uvru
- Uvruani
- Uvuru
- Uwani
- Uzo-Uwani