The US dollar is not only accepted in El Salvador.............it is the official currency of the country........

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What Is the Currency of El Salvador? | USA Today

traveltips.usatoday.com › ... › Central America Travel › El Salvador

These silver coins were often minted in other countries, but were not established as El Salvador's official currency until 1856. El Salvador made wide use of the  ...

El Salvador - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/El_Salvador

Wikipedia

The colón, the official currency of El Salvador since 1892, was replaced by the U.S. dollar in 2001.

‎San Salvador - ‎Salvadoran Civil War - ‎Salvador Sánchez Cerén - ‎Economy