Three ethnic groups of the Niger Delta region of Nigeria are

The three ethnic groups of the Niger Delta region of Nigeria are Ijo, Urhobo, and Itshekiri. The Ijo people are one of the major ethnic groups in the Niger Delta region of Nigeria, and they are spread across several states in the region. The Urhobo people are also a significant ethnic group in the Niger Delta region and are mainly found in Delta State. The Itshekiri people are another prominent ethnic group in the Niger Delta, mainly located in Warri, Delta State. Therefore, the three ethnic groups of the Niger Delta region of Nigeria are Ijo, Urhobo, and Itshekiri.