Its boundaries are: The main economic activity is commerce, especially since the border is only 3 km away from the departmental capital.

Next is corn and bean crops and on, a smaller scale, cattle and milk products mostly for local consumption.

Mapulaca has had electricity and mobile communication services for several years, and water is obtained from wells.

[1] The Puente Colgante is a hanging bridge that connects to the Chalatenango municipality in El Salvador.

Tourists swim in the Lempa River, although its currents are strong and dangerous, as well as its tributaries.