Castile, Kingdom of

The Kingdom of Castile is one of the medieval kingdoms of the Iberian Peninsula.

It emerges as a political autonomous entity in the 9th century.

It is called the County of Castile and is held in vassalage by the Kingdom of León.

Its name comes from the host of castles constructed in the region.

It is one of the kingdoms that founds the Crown of Castile, and the Kingdom of Spain.