Oyo Empireball was a country in Africa.
 Federal
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| States |  Abujaball •  Abiaball •  Adamawaball •  Akwa Ibomball • Anambraball • Bauchiball •  Bayelsaball • Benueball •  Bornoball ( Boko Haramball) •  Cross Riverball •  Deltaball • Ebonyiball •  Edoball •  Ekitiball • Enuguball •  Gombeball • Imoball • Jigawaball • Josball •  Kadunaball • Kanoball •  Katsinaball • Kebbiball •  Kogiball •  Kwaraball •  Lagosball •  Nasarawaball • Nigerball •  Ogunball •  Ondoball •  Osunball •  Oyoball • Plateauball •  Riversball • Sokotoball • Tarababall •  Yobeball • Zamfaraball
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| Former entities |  Migrants from East •  Kanem-Bornu Empireball •  Kingdom of Hausaball •  British Northern Nigeriaball •  British Southern Nigeriaball •  British Nigeriaball • Federation of Nigeriaball •  Biafraball
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 Republic of
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| Departments |  Aliboriball • Atakoraball • Atlantiqueball • Borgouball • Collinesball • Kuoffoball • Dongaball • Littoralball ( Cotonouball) • Monoball • Ouéméball ( Porto-Novoball) • Plateauball • Zouball
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| Historical entities | Natives •  Kingdom of Dahomeyball •  Kingdom of Whydahball •  French Dahomeyball • Republic of Dahomeyball •  PR Beninball
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