Explore details about location Departamento Veinticinco de Mayo. Departamento Veinticinco de Mayo is a location situated within the Chaco alongside other areas such as Departamento General Güemes, Departamento Presidencia de la Plaza, Departamento Mayor Luis Jorge Fontana. Additionally, some smaller parts of Departamento Veinticinco de Mayo include specific areas like Municipio de Machagai adding to the diversity of its landscape.