Castile or Castilia or Castilla may refer to: Places in Spain Castile (historical region), a former kingdom, gradually merged with its neighbors to become the Kingdom of Spain Old Castile, the northern region of Castile New Castile, the southern region of Castile Kingdom of Castile, one of the medieval kingdoms of the Iberian Peninsula Crown of Castile, considered to have begun with the final and definitive union of the two kingdoms of León and Castile in 1230 Castile-La Mancha, an… (More on Castile)