State of Ohio which is part of the United States, was founded in Mar. 1, 1803. Ohio occupies the 34 place in terms of total area of the US. The area of the state is 116 099 square kilometers. The capital of Ohio is Columbus. The population of Ohio amounts to 11 614 373 people and ranks 7 in terms of population of the US. The largest city of the state is Columbus. Our catalog contains 268 cities and 273 496 enterprises located in this state. Postal abbreviation or short name is OH.