Nogales (Spanish pronunciation: [noˈɣales]) is a city and commune in the Quillota Province of central Chile's fifth region of Valparaíso.

According to the 2002 census of the National Statistics Institute, Nogales has 21,633 inhabitants (10,786 men and 10,847 women).

[2] As a commune, Nogales is a third-level administrative division of Chile, administered by a communal council (consejo comunal), which is headed by a directly elected alcalde.

The communal council has the following members:[1] Within the electoral divisions of Chile, Nogales is represented in the Chamber of Deputies by Eduardo Cerda (PDC) and Andrea Molina (UDI) as part of the 10th electoral district, (together with La Ligua, Petorca, Cabildo, Papudo, Zapallar, Puchuncaví, Quintero, Calera, La Cruz, Quillota and Hijuelas).

[needs update] The commune is represented in the Senate by Ignacio Walker Prieto (PDC) and Lily Pérez San Martín (RN) as part of the 5th senatorial constituency (Valparaíso-Cordillera).