The following outline is provided as an overview of and topical guide to the U.S. state of Ohio:

Ohio – seventh most populous of the 50 states of the United States of America. Ohio lies between the Ohio River and Lake Erie in the Midwestern United States.

Outline of Ohio

The United States created the Territory Northwest of the River Ohio on July 13, 1787. Ohio joined the Union as the 17th state effective as of March 1, 1803.

Outline of Ohio

General reference

Names

Common name: Ohio

Pronunciation: Official name: State of Ohio Abbreviations and name codes Postal symbol: OH ISO 3166-2 code: US-OH Internet second-level domain: .oh.us Nicknames Buckeye State Birthplace of Aviation (currently used on license plates) Mother of Modern Presidents Adjectival: Ohio Demonyms: Ohioan, Buckeye

Outline of Ohio

Geography of Ohio

Geography of Ohio

Ohio is: a U.S. state, a federal state of the United States of America

Location

Northern hemisphere

Western hemisphere

Americas

North America

Anglo America

Northern America

United States of America

Contiguous United States

Central United States

East North Central States

Midwestern United States

Great Lakes Region

Population of Ohio: 11,536,504 (2010 U.S. Census) Area of Ohio: Atlas of Ohio

Places in Ohio

Historic places in Ohio

National Historic Landmarks in Ohio

National Register of Historic Places listings in Ohio

Bridges on the National Register of Historic Places in Ohio

National Natural Landmarks in Ohio

National parks in Ohio

State parks in Ohio

Environment of Ohio

Climate of Ohio

Protected areas in Ohio

State forests of Ohio

Superfund sites in Ohio

Wildlife of Ohio

Flora of Ohio

Fauna of Ohio

Birds of Ohio

Mammals of Ohio

Natural geographic features of Ohio

Lakes of Ohio

Rivers of Ohio

Regions of Ohio

Northwestern Ohio

Southern Ohio

Southeastern Ohio

Administrative divisions of Ohio

The 88 counties of the state of Ohio

Municipalities in Ohio

Cities in Ohio

State capital of Ohio: Columbus

City nicknames in Ohio

Sister cities in Ohio

Villages in Ohio

Unincorporated communities in Ohio

Townships in Ohio

Demography of Ohio

Demographics of Ohio

Government and politics of Ohio

Politics of Ohio

Form of government: U.S. state government

United States congressional delegations from Ohio

Ohio State Capitol

Elections in Ohio

Electoral reform in Ohio

Political party strength in Ohio

Branches of the government of Ohio

Government of Ohio

Executive branch of the government of Ohio

Governor of Ohio

Lieutenant Governor of Ohio

Secretary of State of Ohio

State Treasurer of Ohio

State departments

Ohio Department of Transportation

Legislative branch of the government of Ohio

Ohio General Assembly (bicameral) Upper house: Ohio Senate Lower house: Ohio House of Representatives