Langley Falls is a fictional community in Virginia in the Washington, D.C. metropolitan area the home of The Smiths and their friends. This is a city composed by heroes, anti-heroes, bu also villains, including bullies, rivals or terrorists. Langley Falls is protected by Stan Smith and the rest of CIA, their goal is protect the city by all terrorists and bad people. The town name is a composite of Langley, a community located in McLean and Great Falls, two unincorporated communities located in Fairfax County. Langley is also the real-life location of CIA Headquarters.