Sterling, Virginia is a census-designated place (CDP) in Loudoun County, Virginia. It is located northwest of Herndon, east of Ashburn, and west of Great Falls, and includes part of Washington Dulles International Airport and the former AOL corporate headquarters. Sterling is home to many businesses and also serves as branch offices for many major companies. Companies that have a branch office or headquarters in Sterling, with a total number of employees over 1,000 or more are as follows: Alcatel-Lucent, Geo Trans, HR Solutions LLC, M.C. Dean, Inc., National Electronics Warranty Corp, N E W Customer Service Companies Inc, and Orbital Science. Federal agencies with offices in Sterling include U.S. Customs and Border Protection, the Bureau of Safety and Environmental Enforcement, and the Drug Enforcement Administration. At one time, Atlantic Coast Airlines had its headquarters in Sterling.
Claude Moore Park occupies 357 acres in Sterling and offers activities for people of all ages, with three main areas. Claude Moore Recreation Center contains an Olympic-size indoor pool, a children's pool with water features, an exercise area, gymnasium, and several event and meeting rooms. The sportplex includes baseball and softball fields and the nature area includes hiking trails and the park. Sterling offers the following parks and clubs as recreational areas: Algonkian Regional Park, Dulles Golf Center & Sports Park, Sterling Golf Club. Currently, Sterling is home to three public high schools serving grades 9–12; Dominion High School, Park View High School, and Potomac Falls High School. Sterling also has three public middle schools serving grades 6–8; River Bend Middle School, Seneca Ridge Middle School, and Sterling Middle School.