Concepción de Ataco is a district and city within the Ahuachapán Department, El Salvador. It has an area of 61.03 km ² and a population of 18,101 inhabitants. The district is divided into 11 cantons, which are: El Arco, El Limo, El Naranjito, El Tronconal, La Ceiba, La Joya de los Apante, La Planxa, San Jose, Shucutitán and Texusín Chirizo. Atacos's popul…Concepción de Ataco is a district and city within the Ahuachapán Department, El Salvador. It has an area of 61.03 km ² and a population of 18,101 inhabitants. The district is divided into 11 cantons, which are: El Arco, El Limo, El Naranjito, El Tronconal, La Ceiba, La Joya de los Apante, La Planxa, San Jose, Shucutitán and Texusín Chirizo. Atacos's population has pre-Columbian origin and was founded by Yaqui Indians or pipiles in central Apaneca Mountain Range.