Santa Rosa de Lima is a municipality in La Unión Department of El Salvador.

Its "fiestas patronales" are during the month of August, when the city gets full of vendors from around the country selling a wide range of articles and food.

[citation needed] The city is also known as the "capital of commerce" in La Unión and is famous for its cheese, gold and livestock trade.

[citation needed] The city is located between the Pacific Ocean plains and the northern mountains of the country.

It is situated on a sloppy area south of the San Sebastian Peak, known for its gold ores.