Harjo is a small unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Pottawatomie County

Pottawatomie County, Oklahoma

Pottawatomie County is a county located in the U.S. state of Oklahoma. The population was 65,521 as of the 2000 census. Its county seat is Shawnee...

, Oklahoma

Oklahoma

Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The post office was established June 24, 1921, and discontinued August 31, 1954. The name means "brave beyond discretion" in the Creek

Creek language

The Creek language, also known as Muskogee or Muscogee , is a Muskogean language spoken by Muscogee and Seminole people primarily in the U.S. states of Oklahoma and Florida....

 (Muscogee) language. Nearby is the Rose-Fast site, a prehistoric Indian

Native Americans in the United States

Native Americans in the United States are the indigenous peoples in North America within the boundaries of the present-day continental United States, parts of Alaska, and the island state of Hawaii. They are composed of numerous, distinct tribes, states, and ethnic groups, many of which survive as...

base camp dating from the Woodland Period, 0-1000 AD. The site was added to the National Register of Historic Places in 1986.