Ifẹ̀ is an ancient Yoruba city in south-western Nigeria, founded in the 6th century. The city is located in present-day Osun State. Ifẹ̀ is about 218 kilometers northeast of Lagos with a population of over 500,000 people, which is the highest in Osun State according to population census of 2006.

Yoruba is a language that is spoken in West Africa, primarily in Southwestern and Central Nigeria. It is spoken by the ethnic Yoruba people. The number of Yoruba speakers is roughly 47 million, including about 2 million second-language speakers. As a pluricentric language, it is primarily spoken in a dialectal area spanning Nigeria, Benin, and Togo with smaller migrated communities in Côte d'Ivoire, Sierra Leone and The Gambia.