Edo StateEdo, officially known as Edo State, is a state located in the South-South geopolitical zone of the federal republic of Nigeria. As of 2006 National population census, the state was ranked as the 24th populated state (3,233,366) in Nigeria. The state population figures is expected to be about 8,000,000 in 2022. Edo State is the 22nd largest State by landmass in Nigeria. The state's capital and largest city, Benin City, is the fourth largest city in Nigeria, and the centre of the country's rubber industry.