Benin City (the name of a powerful kingdom of the same name) rose to prominence in the fifteenth century. Located in the present-day southwestern Nigeria.
The territory of the Kingdom extended from the western Ibo tribes on the shores of the Niger River, way through parts of the southwestern region of Nigeria. It expanded eastwards to Niger River, near the Oyo Kingdom, which extended through most of South Western Nigeria in the West to parts of present day Republic of Benin.
The Ogiso dynasty came to an end in 1180 AD by the help of Eweka 1 the first Oba who changed the ancient name of Igodomigodo to Edo and 'Ogiso' dynasty to Oba dynasty. The word "Oba" is a Yoruba title for king. Eweka 1 was the son of Oranmiyan a Yoruba prince from ile ife an the grandson of Oduduwa the Oba of ife. In this, Eweka 1 was the first "Oba" and architect of this title.