Effurun is a town and the headquarters of Uvwie Local Government Area in Delta State, Nigeria.

Due to her proximity with Warri, rapid population growth and several road network linking both towns and her environs, it formed a conurbation collectively referred to as Warri by people from other parts of the state and Nigeria at large, though each towns in "Warri conurbation" are under different traditional and political authorities.

Effurun is one of the major hubs of economic activities and businesses in Delta State.

[citation needed] Its inhabitants are predominantly Christians of different denominations, and some practice a mixture of African traditional religion most notably the Igbe religion common amongst Urhobos like most of Southern Nigeria.

The city along with Warri and environs are known nationwide for her unique Pidgin English.