Ohio is a state in the Midwestern United States. Ohio is the 34th largest, the 7th most populous, and the 10th most densely populated of the 50 United States. The state's capital and largest city is Columbus. Wikipedia

Africa is the world's second-largest and second-most-populous continent. At about 30.2 million km² including adjacent islands, it covers six percent of the Earth's total surface area and 20.4 percent of the total land area. Wikipedia