San Salvador (Spanish pronunciation: [san salβaˈðoɾ];) is the capital and the largest city of El Salvador and its eponymous department. It is the country's political, cultural, educational and financial center. The Metropolitan Area of San Salvador, which comprises the capital itself and 13 of its municipalities, has a population of 2,404,097. The urban area of San Salvador has a population of 1,600,000 inhabitants.

The city is home to the Consejo de Ministros de El Salvador (Council of Ministries of El Salvador), the Legislative Assembly of El Salvador, the Supreme Court of El Salvador, and other governmental institutions, as well as the official residence of the President of El Salvador. San Salvador is located in the Salvadoran highlands, surrounded by volcanoes and prone to earthquakes. The city is also home to the Roman Catholic Archdiocese of San Salvador, as well as many Protestant branches of Christianity, including Evangelicals, Latter-day Saints, Baptists, and Pentecostals. San Salvador has the second largest Jewish community in Central America and a small Muslim community.

San Salvador has been the host city for various regional and international sporting, political, and social events. It hosted the Central American and Caribbean Games in 1935 and 2002, and the Central American Games in 1977 and 1994, as well as the Miss Universe 1975 pageant. San Salvador was also the host city of the 18th Ibero-American Summit in 2008, the most important sociopolitical event in the Spanish and Portuguese sphere. The Central American Integration System has its headquarters in San Salvador.