Middleburg is a town in Loudoun County, Virginia, United States, with a population of 673 as of the 2010 census.

Middleburg is known as the "Nation's Horse and Hunt Capital" for its foxhunting, steeplechases, and large estates.

[5] The town was established in 1787 by Revolutionary War officer and statesman Leven Powell.

He purchased the land for Middleburg at $2.50 per acre in 1763 from Joseph Chinn, a first cousin of George Washington.

The village soon earned a reputation as the "Nation's Horse and Hunt Capital", attracting prominent visitors from across the U.S. Middleburg is the home of the 15,000-square-foot (1,400 m2) National Sporting Library research center for horse and field sports, which publishes Thoroughbred Heritage on the Internet.

In 1961, activists of the Civil Rights Movement pressed John F. Kennedy on local segregation issues during his residency outside town.

[9][10] According to the United States Census Bureau, the town has a total area of 0.6 square mile (1.5 km2), all land.

Heading east, US 50 reaches Fairfax, continues on through Washington, D.C., and eventually ends in Ocean City, Maryland.

After facing numerous challenges in its final years, the fire department dissolved and turned over its operations to Loudoun County Fire-Rescue in 2015.