Kétou is a Yoruba

Yoruba people

The Yoruba people are one of the largest ethnic groups in West Africa. The majority of the Yoruba speak the Yoruba language...

 town, arrondissement

Arrondissements of Benin

The Arrondissements of Benin refer to the third-level administrative units of Benin, after Departments and communes. In turn they contain villages and may often have several quartiers or city districts/urban neighborhoods:...

, and commune

Communes of Benin

The departments of Benin are subdivided into 77 communes, which in turn are divided into arrondissements and finally into villages or city districts. Prior to 1999 provinces were broken down into 84 districts, titled either urban or rural...

 located in the Plateau Department

Plateau Department

Plateau is one of the twelve departments of Benin.Plateau is divided into the communes of Ifangni, Adja-Ouèrè, Kétou, Pobè and Sakété....

 of the Republic of Benin

Republic of Benin

The short-lived Republic of Benin, in Nigeria's coastal Bight of Benin, was named after its capital Benin City. It was known as Mid-Western state in Nigeria until August 1967 when it was occupied by Biafra as its forces advanced towards Lagos...

 (previously called 'Dahomey'). It is said to have been founded by Ede, son of Sopasan and grandson of Oduduwa

Oduduwa

Oduduwa Omoluabi, Olofin Adimula, Emperor of the Yoruba, phonetically written by his people as Odùduwà and sometimes contracted as Odudua or Oòdua, is generally held among the Yoruba to be the reigning ancestor of the crowned Yoruba kings....

 (also known as Odudua, Oòdua and Eleduwa), who ruled the Yoruba kingdom of Ile-Ife (also known as Ife

Ife

Ife is an ancient Yoruba city in south-western Nigeria. Evidence of inhabitation at the site has been discovered to date back to roughly 560 BC...

) in present-day Nigeria

Nigeria

Nigeria , officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in...

. The oba

OBA

Oba or OBA may refer to:* Oba , an African ruler or king* Oba , in Yoruba mythology* Oba, an island in the North Maluku province of Indonesia* Oba-Igbomina, a town in Nigeria...

 (meaning 'king' or 'ruler' in the Yoruba language

Yoruba language

Yorùbá is a Niger–Congo language spoken in West Africa by approximately 20 million speakers. The native tongue of the Yoruba people, it is spoken, among other languages, in Nigeria, Benin, and Togo and in communities in other parts of Africa, Europe and the Americas...

) is referred to as the Alaketu of Ketou.

The commune covers an area of 2183 square kilometres and as of 2002 had a population of 100,499 people.