The name "Warri province" was once applicable to the part of an area now called Delta State under the Colony and Protectorate of Southern Nigeria. Its boundary in the Northeast was Sapele/Udu creek near Ughelli and Aboh, with Forçados River in the Southeast and Jameson Creek in the Southwest which later changed to Delta Province. Warri city is one of the major hubs of petroleum activities and businesses in southern Nigeria. It is a commercial capital city of Delta State, with a population of over 311,970 people according to the national population census figures for 2006.