[2] The proposals advocating for a particular semantic codification/closure of the concept (a dialogical construct) are connected to essentialist arguments relying on the reification of something that does not exist beyond the social action of those building Castile not only by identifying with it as a homeland of any kind, but also in opposition to it.
Originally an eastern county of the kingdom of León, in the 11th century, Castile became an independent realm with its capital at Burgos.
The County of Castile, which originally included most of Burgos and parts of Vizcaya, Álava, Cantabria and La Rioja,[6] became the leading force in the northern Christian states' 800-year Reconquista ("reconquest") of central and southern Spain from the Moorish rulers who had dominated most of the peninsula since the early 8th century.
The capture of Toledo in 1085 added New Castile to the crown's territories, and the battle of Las Navas de Tolosa (1212) heralded the Moors' loss of most of southern Spain.
Since 1982 there have been two nominally Castilian autonomous communities in Spain, incorporating the toponym in their own official names: Castile and Leon and Castile-La Mancha.
by dint of its geographic enclosure within the entity and, above all, by the statements of its Statute of Autonomy, since its autonomic process originated in national interest and not in popular disaffection with Castile.
to be the main architects of the Spanish State by a process of expansion to the South against the Moors and of marriages, wars, assimilation, and annexation of their smaller Eastern and Western neighbours.