Ethnonyms: Isekiri, Ishekiri, Jekri, Warri
Total population: 1,072,000
Ethnolinguistic classification: Niger-Congo → Atlantic-Congo → Volta-Niger → Yoruboid → Isekiri.
Homeland: the Kingdom of Warri
Regions with significant populations: the Federal Republic of Nigeria, Delta (Warri South, Warri North, Warri South West, Uvwie, Udu, Sapele, Okpe, Ethiope West, Ethiope East, Burutu), Edo (Ikpoba Okha, Oredo, Ovia South-West)
Languages and dialects: Isekiri (Itsekiri)
Religion: Christianity, Protestantism, Pentecostalism, the Catholic Church, traditional religion/Ebura-tsitse (ancestral worship)
The Itsekiri are a Niger Delta ethnic group concentrated in the westernmost part of the Niger River delta in southern Nigeria, especially around Warri, Sapele, Burutu, and Forcados; they are also known by variants such as Jekri, Isekiri, and Ishekiri. Their oral-historical traditions link the ruling dynasty to Ginuwa, remembered as the founder and first Olu (king), said to have been a prince of Benin, which reflects the deep political and cultural connections the Itsekiri have long maintained with neighboring peoples in the delta and with the Benin world. In social organization, the Itsekiri historically developed a highly centralized kingdom in Warri, governed by the Olu and advised by chiefs, while broader descent and settlement ties were organized through family lines and “Houses,” a structure that became especially important in periods of succession crisis and colonial transformation. Linguistically, the Itsekiri speak Itsekiri, a Yoruboid language within the Benue-Congo branch of Niger-Congo, placing them in close linguistic relationship with Yoruba and more distant relationship with Igala, while centuries of contact in the Niger Delta also brought influence from Bini, Portuguese, and English. Their position on the coast made them early intermediaries in Atlantic trade: the Portuguese were among the first Europeans to make contact with them, and the Itsekiri became known as traders and middlemen who exchanged European goods for inland products such as slaves and palm oil, a role that later declined when British colonial power disrupted their commercial monopoly in the nineteenth century. Culturally, the Itsekiri are closely associated with riverine life, fishing, boat travel, and mercantile networks, and their society has long been shaped by intermarriage and contact with neighboring communities, which helped produce a mixed but distinct identity. In religion, traditional Itsekiri belief centers on Oritse as the supreme creator, alongside deities such as Umale Okun, associated with the sea, and Ogun, associated with iron and war, with Ifa divination and ancestor veneration also forming important elements of ritual life.
