San Miguel is a city in eastern El Salvador. It is the country's third most populous city. It is located 138 km (86 mi) east of the capital, San Salvador. It is also the capital of the department of San Miguel and a municipality. The population of the city in 2017 was 518,410.

El Salvador, officially the Republic of El Salvador, is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south by the Pacific Ocean. El Salvador's capital and largest city is San Salvador. The country's population in 2023 was estimated to be 6.5 million.