Diego de Almagro (Spanish pronunciation: [ˈdjeɣo ðe alˈmaɣɾo]) is a Chilean city and commune in Chañaral Province, Atacama Region.

[2] The area is named after Diego de Almagro, a conquistador.

Until 1977, the city was named Pueblo Hundido ("Sunk Town").

[3] According to the 2002 census of the National Statistics Institute, Diego de Almagro had 18,589 inhabitants (10,031 men and 8,558 women).

[2] As a commune, Diego de Almagro is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde (mayor) who is directly elected every four years.