三角洲 : 主要城市

Abbi, Abraka, Agbor, Asaba, Bomadi, Burutu, Eku, Isiokolo, Issele Uku, Koko, Kwale, Oghara Town, Ogidigben, Ogwashi-Ukwu, Oleh, Orerokpe, Ossissa, Ozoro, Patani, Ubulu-Uku, Ughelli, Umunede, Umuttu, Warri.