The Embassy of the United States is located in the capital of El Salvador, San Salvador.
Opened in 1943
On March 23, 1943, The U.S. Embassy was open in San Salvador, the capital of El Salvador, When Walter Thurston was promoted to U.S. Ambassador Extraordinary and Plenipotentiary and presented his credentials to the Government of El Salvador on April 16, 1943.
References
Embassy of the United States in El Salvador Wikipedia(Text) CC BY-SA