Ercillas

Ercillas is a surname of Spanish origin. The form Ercillas is used to refer to multiple individuals who bear the surname, and it appears in historical and contemporary contexts across Spanish-speaking communities.

The name is most prominently associated with Alonso de Ercilla y Zúñiga (c. 1550–1594), a Spanish nobleman, soldier, and poet. He is best known for La Araucana, an epic poem published in three parts between 1569 and 1589 that portrays the Arauco War in the realm of colonial Chile and is regarded as an important work in early modern Spanish literature.

In contemporary usage, Ercillas can be found among families in Spain and in Latin American countries, reflecting patterns of migration and settlement that spread Spanish surnames around the world. Like many Spanish surnames, it may have multiple regional histories within the peninsula and among communities formed during the colonial era.

As a surname, Ercillas does not correspond to a single widely recognized institution, place, or event beyond the literary and genealogical associations typical of family names. It is one of several related surnames in the broader Ercilla family line, and individuals bearing the name participate in a variety of professional fields and cultural contexts.

See also: Ercilla. Notes on spelling and regional distribution may vary, and related forms such as Ercilla may appear in historical records and modern genealogical sources.