Castile and León is a historical region in Spain that was formed through the union of the Kingdom of Castile and the Kingdom of León. This region played a significant role in shaping Spanish identity and culture, especially during the Middle Ages, which is essential for understanding the social and religious dynamics present in works like 'San Manuel Bueno, mártir' by Miguel de Unamuno.
Connect this key term to the AP exam workflow: review the course, practice questions, and check related study tools.