La Unión is a department of El Salvador. it is located in the eastern part of the country and its capital is La Unión. It covers a total of 2,074 km² and has a population of 300,000.
The department was created on June 22, 1865 and the city of La Unión was made its capital. The Conchagua Temple was built in 1693 and it is one of tourist attractions of the department as well as some archeological ruins in Intipuca and Meanguera.
La Unión is a municipality in the La Unión department of El Salvador.
It is the capital city of the Department of its same name.
It is the largest city in the department also with a population of almost 26,739 inhabitants.
On January 16, 2005 the government of El Salvador started building a new port, in order to replace the old one, it will be able to hold more than double the cargo held by the current principal port of El Salvador at Acajutla.