Ohio: state flag, capital and facts

State flag of Ohio

Ohio is a US state in the Midwest region. Its capital is Columbus, and its postal abbreviation is OH. Known as the Buckeye State, it joined the Union on March 1, 1803 as the 17th state. Columbus is also its largest city.

The Ohio state flag shows a swallowtail pennant, the only non-rectangular state flag, with red and white stripes and a blue triangle of 17 stars.

Ohio at a glance

Capital
Columbus
Largest city
Columbus
Nickname
The Buckeye State
Statehood
March 1, 1803 (17th state)
Region
Midwest
Postal abbreviation
OH

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States bordering Ohio

More states in the Midwest

Frequently asked questions

The capital of Ohio is Columbus.

Ohio is in the Midwest region of the United States.

The postal abbreviation for Ohio is OH.

Ohio is known as the Buckeye State.

Ohio became the 17th state on March 1, 1803.

Ohio shares a land border with Indiana, Kentucky, Michigan, Pennsylvania and West Virginia.

The flag of Ohio shows a swallowtail pennant, the only non-rectangular state flag, with red and white stripes and a blue triangle of 17 stars.