#Spanish surname
- Almagro — A family name of Spanish origin with global historical resonance, notably consecrated through Diego de Almagro (1475–1538), the famous Spanish conquistador who participated alongside Francisco Pizarro in the conquest of the Inca Empire and led the first European expedition to Chile. Additionally, the name designates a historic city in the province of Ciudad Real, Spain, renowned for its medieval architecture and international classical theater festival, as well as an important neighborhood in Buenos Aires, Argentina.
- Avellaneda — An important port city and the administrative seat of the partido of the same name in the Buenos Aires Province, Argentina, located within the capital's metropolitan area; the name is also an anthroponym of Spanish origin, historically borne by prominent figures such as the writer Gertrudis Gómez de Avellaneda or the Argentine President Nicolás Avellaneda. The city is a major industrial hub and a landmark in South American football, hosting the rival clubs Racing and Independiente.