Explore details about location 21 de Mayo. 21 de Mayo is a location situated within the Alhué alongside other areas such as Cruce Ruta 66 (San Vicente) - Lo Chacón - Cuesta Alhue, 21 de Mayo, Esmeralda. Additionally, some smaller parts of 21 de Mayo include specific areas like Alhue - El Asiento - El Membrillo, Bernardo O´Higgins, El Molino adding to the diversity of its landscape.