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.

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.

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

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





