Southern Chalatenango () is one of the 44 municipalities of El Salvador."Municipio de Chalatenango Sur" https://www.asamblea.gob.sv/node/12806#:~:text=Municipio%20de%20Chalatenango%20Sur,San%20Luis%20del%20Carmen This municipality is made up of 20 districts Arcatao, Azacualpa, San José Cancasque, Chalatenango, Comalapa, Concepción Quezaltepeque, El Carrizal, La Laguna, Las Vueltas, Las Flores, Nombre de Jesús, Nueva Trinidad, Ojos de Agua, Potonico, San Antonio de la Cruz, San Antonio Los Ranchos, San Francisco Lempa, San Isidro Labrador, San Luis del Carmen and San Miguel de Mercedes. The municipality comprises the largest amount of districts within the entire country. "Chalatenango Sur tiene 20 distritos" https://www.tcsahora.com/chalatenango-sur-tiene-20-distritos-es-un-reto-grande-milton-serrano/ The municipality arise as part of reducing the amount of municipalities in El Salvador. Its mayor has been disputed since 13 April 2026 between Milton Serrano and Víctor Hernández.

Mayor

Mayor Elected Term of office Political party Assumed office Left office Duration Milton Serrano 2024 1 May 2024 13 April 2026 (disputed) National Coalition Party Víctor Hernández – 13 April 2026 Incumbent (disputed) National Coalition Party

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