Ilorin, city, traditional emirate, and capital of Kwara state, western Nigeria. It is located on the Awun River, a minor tributary of the Niger. Founded in the late 18th century by Yoruba people, it became the capital of a kingdom that was a vassal state of the Oyo empire. Ilorin served as a major trade centre between the Hausa of the north and the Yoruba of the south.
